scholarly journals Association between Platelet Parameters and Glaucoma Severity in Primary Open-Angle Glaucoma

2019 ◽  
Vol 2019 ◽  
pp. 1-9 ◽  
Author(s):  
Yi Ma ◽  
Jianping Han ◽  
Shengjie Li ◽  
Aiping Zhang ◽  
Wenjun Cao ◽  
...  
Keyword(s):  
Primary Open Angle Glaucoma ◽  
Clinical Laboratory ◽  
Open Angle Glaucoma ◽  
Large Cell ◽  
Control Group ◽  
Mean Deviation ◽  
Open Angle ◽  
Regression Analyses ◽  
Distribution Width ◽  
Department Of Ophthalmology

Purpose. To evaluate platelet parameters in primary open-angle glaucoma (POAG) patients and to explore the association between platelet parameters and POAG severity. Methods. A total of 402 consecutive POAG patients and 408 healthy control subjects from the Department of Ophthalmology and Visual Science, Eye and ENT Hospital, Fudan University, were consecutively recruited between January 2016 and October 2018. Detailed ophthalmological and systematic examinations were performed. Blood samples for platelet parameters, including platelet count (PLT), platelet distribution width (PDW), plateletcrit (PCT), mean platelet volume (MPV), and platelet large cell ratio (P-LCR), were analyzed using an automated hematology analyzer in the department of clinical laboratory science of the hospital. The POAG subgroups were classified according to age (<50, ≥50), gender, and visual field mean deviation (MD): mild (MD ≤ 6 dB), moderate (6 dB < MD ≤ 12 dB), and severe (MD > 12 dB). Results. In POAG patients, PLT counts (207.08 ± 54.70 ∗ 109/L) were significantly lower p=0.001 than those of the control group (220.46 ± 55.85 ∗ 109/L). In the POAG group, PDW (13.76 ± 3.16 fL) and MPV (10.46 ± 1.32 fL) values were significantly higher (all p<0.001) than those of the control group (PDW 11.82 ± 2.44 fL, MPV 10.13 ± 1.10 fL). PDW and MPV values were highest in the severe POAG group (PDW 14.49 ± 2.99 fL; MPV 10.74 ± 1.39 fL), followed by the moderate group (PDW 12.50 ± 3.14 fL; MPV 10.02 ± 1.08 fL) and then the mild group (PDW 11.82 ± 2.44 fL; MPV 9.92 ± 0.76 fL), with statistically significant differences observed between mild-severe POAG and moderate-severe POAG groups by LSD post hoc test. Multiple linear regression analyses showed a significant association between PDW and MD (β = 0.430, p<0.001) and MPV and MD (β = 0.363, p=0.001). Logistic regression analyses revealed that PDW (OR = 1.297, 95% CI = 1.011–1.663) was associated with the severity of POAG. Conclusions. PDW and MPV values were significantly elevated in POAG patients, and PDW was positively associated with disease severity, which suggested the possibility that platelet activation be involved in pathomechanisms of POAG.

Clinical efficacy of osteopathic correction in the complex treatment of patients with unoperated open-angle glaucoma

2020 ◽  
pp. 97-105
Author(s):  
E. N. Simakova ◽  
O. V. Stenkova
Keyword(s):  
Intraocular Pressure ◽  
Drug Therapy ◽  
Primary Open Angle Glaucoma ◽  
Open Angle Glaucoma ◽  
Randomized Study ◽  
Main Group ◽  
Control Group ◽  
Open Angle ◽  
Complex Treatment ◽  
Hypotensive Drug

Introduction. Glaucoma is one of the most significant eye diseases. It is often diagnosed, not always amenable to therapy, and can lead to a complete loss of visual functions. In recent years, the method of osteopathic correction has become widespread as one of the effective methods of treatment and rehabilitation of patients with pathologies of various body systems. In the pathogenesis of glaucoma, it is customary to distinguish a dystrophic concept, which considers primary open-angle glaucoma as a result of dystrophic changes in the connective tissue, as well as in the endothelial lining of the trabeculae and Schlemm′s canal, especially destructive changes in mitochondria and the alteration of their functional activity. A vascular concept is also distinguished. According to this concept, the central link in the pathogenesis of glaucoma is circulatory disorder in the ciliary vessels, ocular artery, and major vessels of the head and neck, it can be assumed that osteopathic correction in the treatment of patients with open-angle glaucoma will be pathogenetically substantiated and will have a positive effect on intraocular pressure and trophicity of the optic nerve. The goal of research — to study the influence of in osteopathic correction on the nature of unoperated glaucoma (stage IIA) and to substantiate the possibility of using osteopathic correction in the complex treatment of patients with this pathology.Materials and methods. A prospective controlled randomized study was conducted at 52 city polyclinics, branch 3, Moscow, from January 2018 to January 2019. 40 patients (70 eyes) aged 50 to 75 years with primary open-angle glaucoma IIA stage were examined. At this stage of the disease, patients most often seek medical care and the issue of conservative management is primarily considered. All patients were divided into two groups of 20 people: the main group and the control group. The treatment in the main group included hypotensive drug therapy and osteopathic correction. Patients of the control group received only drug therapy. All patients underwent ophthalmic (visometry, tonometry, perimetry) and osteopathic examination twice: before the treatment and after 3 months.Results. For patients with primary open-angle IIA non-operated glaucoma, regional (most often regions of the head, neck, dura mater) and local (abdominal diaphragm, iliac bones, hip and knee joints) somatic dysfunctions were the most typical. In the main group a statistically significant decrease in the frequency and severity of dysfunctions at all levels was stated. Also, in patients receiving osteopathic correction, a significant decrease in the level of intraocular pressure and perimetric indices was noted. In patients of the control group, no reliable changes in these indicators were obtained.Conclusion. The results obtained indicate that osteopathic correction is clinically effective in the complex treatment of patients with primary open-angle II A glaucoma.

scholarly journals Comparison of Ocular Biometry between Primary Open Angle Glaucoma Patients and Normal subjects

2021 ◽  
Vol 13 (2) ◽  
pp. 62-68
Author(s):  
Nisha Manandhar ◽  
Chandni Pradhan ◽  
Purushottam Joshi ◽  
Prabha Subedi ◽  
Pranav Shrestha
Keyword(s):  
Anterior Chamber ◽  
Axial Length ◽  
Primary Open Angle Glaucoma ◽  
Open Angle Glaucoma ◽  
Anterior Chamber Depth ◽  
Control Group ◽  
Open Angle ◽  
K Value ◽  
The Difference ◽  
Glaucoma Group

Introduction: Glaucoma is one of the major causes of irreversible blindness. In Nepal, the most common type of Glaucoma seen is Primary Open Angle Glaucoma. There are many risk factors associated with Primary Open Angle Glaucoma. The main objective of the study was to compare ocular biometric parameters in patients diagnosed with Primary Open Angle Glaucoma and age matched controls. Material and methods: This is a hospital based cross sectional study done at Mechi Eye Hospital. The study included 137 cases of Primary Open Angle Glaucoma and 75 normal individuals as control.  Axial length (AL), anterior chamber depth (ACD), Keratometry ‘K’ value and Central Corneal Thickness (CCT) were measured. Mann – Whitney U test was used for statistical analysis. Results: Mean age in Primary Open Angle Glaucoma group was (55.25 ± 10.16 years) and in the control group was (60.96 ± 10.91 years). Axial length  in the Primary Open Angle Glaucoma group (23.16 ±1.19 mm) was deeper as compared to the control group (22.69 ±0.89 mm), the difference was statistically significant (p<0.001). Anterior chamber depth (ACD) was statistically deeper in the Primary Open Angle Glaucoma group (3.05 ±0.51 mm) as compared to the control group (2.86 ±0.46 mm), (p<0.01). Central corneal thickness (CCT) was thinner in the Primary Open Angle Glaucoma group (519.5 ±36.25 um) as compared to the control group (525.40 ±37.77 um) but the difference was not found to be statistically significant (p<0.19). K value in Primary Open Angle Glaucoma (7.54 ±0.41mm) was higher than age-matched controls (7.58 ± 0.33mm) but the difference was not statistically significant (p<0.79). Conclusion: Patients with Primary Open Angle Glaucoma had longer Axial length (AL) and deeper Anterior chamber depth (ACD) as compared to normal individuals.

scholarly journals The association between primary open-angle glaucoma and helicobacter pylori infection

2021 ◽  
pp. 036-042
Author(s):  
Raji Mohammad Mehdi
Keyword(s):  
Helicobacter Pylori ◽  
Primary Open Angle Glaucoma ◽  
Open Angle Glaucoma ◽  
Helicobacter Pylori Infection ◽  
Control Group ◽  
Case Group ◽  
Open Angle ◽  
Practical Applications ◽  
Ocular Pressure ◽  
H Pylori

Background: Primary Open-Angle Glaucoma (POAG) the most common form of glaucoma is a neurodegenerative disease, which is the third most common cause of blindness worldwide. It is estimated that 60 million people in the world are affected by this disease and 8.4 million are bilaterally blind. Among the various factors that have been implicated in the pathophysiology of this disease is infection with Helicobacter pylori (HP), a Gram-negative bacterium that is commonly found in stomach and present in approximately one-half of the world’s population. Establishment of such a causal correlation will probably have important practical applications as the eradication of H. pylori might lead to developments in the treatment of glaucoma. Objectives: To investigate the association between Primary Open-Angle Glaucoma (POAG) and Helicobacter Pylori infection and to observe fluctuations in intra ocular pressure after Helicobacter Pylori infection eradication. Design: Duration based, prospective observational study. Participants: 50 patients with documented Primary Open-Angle Glaucoma (POAG) as case group and 50 non-glaucoma participants as control group. Methods: Upper gastrointestinal endoscopy was performed to evaluate macroscopic abnormalities, and gastric mucosal biopsy specimens were obtained for the presence of H. pylori infection tested by Rapid Urease Test (RUT). All subjects underwent detailed ocular examinations including visual acuity, slit-lamp examination, fundoscopy, intra-ocular pressure recording, gonioscopy, GHT to assess visual fields and OCT of optic nerve head. Results: In 90% of POAG patients of case group and in 68% of non-glaucoma participants of control group Helicobacter pylori infection was detected by RUT (P-Value=0.007). Conclusion: H. pylori infection is more frequent in glaucoma patients, perhaps more so in those of Indian ethnicity. It may play a role as a secondary aggravating factor or even may be the primary cause. The establishment of such a causal relationship will probably have important practical applications as the eradication of H. pylori might lead to developments in the treatment of glaucoma.

scholarly journals The Role of Optical Coherence Tomography Angiography in Moderate and Advanced Primary Open-Angle Glaucoma

2021 ◽  
Author(s):  
Yadollah Eslami ◽  
Sepideh Ghods ◽  
Massood Mohammadi ◽  
Mona Safizadeh ◽  
Ghasem Fakhraie ◽  
...  
Keyword(s):  
Optical Coherence Tomography ◽  
Optical Coherence Tomography Angiography ◽  
Primary Open Angle Glaucoma ◽  
Open Angle Glaucoma ◽  
Vessel Density ◽  
Mean Deviation ◽  
Optical Coherence ◽  
Open Angle ◽  
The Mean ◽  
Inferior Quadrant

Abstract Purpose: To evaluate the relationship between structure and function in moderate and advanced primary open-angle glaucoma (POAG) and to determine the accuracy of structure and vasculature for discriminating moderate from advanced POAG.Methods: In this cross-sectional study 25 eyes with moderate and 40 eyes with advanced POAG were enrolled. All eyes underwent measurement of the thickness of circumpapillary retinal nerve fiber layer (cpRNFL) and macular ganglion cell complex (GCC), and optical coherence tomography angiography (OCTA) of the optic nerve head (ONH) and macula. Visual field (VF) was evaluated by Swedish interactive threshold algorithm and 24-2 and 10-2 patterns. The correlation between structure and vasculature and the mean deviation (MD) of the VFs was evaluated by a partial correlation coefficient. The area under the receiver operating characteristic curve (AUC) was applied for assessing the power of variables for discrimination moderate from advanced POAG.Results: Superior cpRNFL, superior GCC, whole image vessel density (wiVD) of the ONH area, and vessel density in inferior quadrant of perifovea had the strongest correlation with the mean deviation (MD) of the VF 24-2 (r= .351, .558, .649 and .397; p< .05). The greatest AUCs belonged to inferior cpRNFL (.789), superior GCC (.818), vessel density of the inferior hemifield of ONH area (.886), and vessel density in inferior quadrant of perifovea (.833) without statistically significant difference in pairwise comparison.Conclusion: Vasculature has a stronger correlation than the structure with MD in moderate and advanced POAG and is as accurate as structure in discrimination moderate from advanced POAG.

scholarly journals Proportion of Glaucoma among Voluntary People Coming for Glaucoma Screening Program at Jimma University Department of Ophthalmology, Jimma, Ethiopia

1970 ◽  
Vol 30 (1) ◽  
Author(s):  
Kumale Tolesa Daba ◽  
Girum W. Gessesse ◽  
Sisay Bekele Sori
Keyword(s):  
Primary Open Angle Glaucoma ◽  
Screening Program ◽  
Open Angle Glaucoma ◽  
Open Angle ◽  
Community Screening ◽  
Glaucoma Screening ◽  
Department Of Ophthalmology ◽  
University Department ◽  
Structure Evaluation ◽  
Jimma University

BACKGROUND: Glaucoma is the second leading cause of blindness worldwide. Glaucoma screening has been controversial, and much of the controversy has centered on the value of mass or community screening.METHODS: The aim of this study was to determine the proportion of glaucoma among volunteer adults who were screened in Jimma University Department of Ophthalmology. A cross-sectional study was conducted among 459 volunteer residents of Jimma town and surrounding areas. The study subjects were aged 40 years and above, who came for community screening program after media announcement during the four consecutive weekends of November 2014. Comprehensive eye examination was done including best corrected visual acuity, intra-ocular pressure measurement, stereoscopic optic nerve evaluation, angle structure evaluation and visual field testing. Three diagnostic criteria for glaucoma were employed for all cases.RESULTS: Of all adults who came for screening, 47(10.24%) were diagnosed to have glaucoma, 59(12.85%) were glaucoma suspects, and 8(1.74%) had ocular hypertension. The proportion of glaucoma increased with increasing age, (P value= 0.001 (99%CI)). Primary open angle glaucoma was the most common form (42.55%) of all new cases while 4.4% of all screened adults were followed by normal tension glaucoma (29.79%), pseudoexfoliative glaucoma (19.15%), and primary angle closure glaucoma (6.38%) Around 5.7% of all glaucoma cases were found to be blind.CONCLUSION: The proportion of glaucoma in this community screening program in Southwest Ethiopia was 10.24% with primary open angle glaucoma being the commonest subtype. Glaucoma community screening should be promoted for early diagnosis and intervention to prevent irreversible blindness.

scholarly journals Effect of mean ocular perfusion pressure on primary open angle glaucoma

2018 ◽  
Vol 11 (4) ◽  
pp. 286-290
Author(s):  
Pallab Kumar Sen ◽  
Nazneen Khan ◽  
Md. Shafiqul Islam
Keyword(s):  
Odds Ratio ◽  
Primary Open Angle Glaucoma ◽  
Perfusion Pressure ◽  
Open Angle Glaucoma ◽  
Control Group ◽  
Open Angle ◽  
Ocular Perfusion Pressure ◽  
Ocular Perfusion ◽  
The Mean ◽  
The Right

Primary open angle glaucoma is the most common form of glaucoma and it remains asymptomatic until the late stage of the disease. The purpose of this study is to compare the mean ocular perfusion pressure with the primary open angle glaucoma. A total of 60 study subjects were divided into two following groups: a) newly diagnosed patients with primary open angle glaucoma (case) and b) age and sex-matched healthy volunteers (control). The intraocular pressure and blood pressure were measured 3 hourly from 8:00 am to 11:00 pm. The mean ocular perfusion pressure of the right eyes in untreated primary open angle glaucoma was 39.9 ± 7.5 mm Hg whereas it was 47.7 ± 7.7 mm Hg in the control. The odds ratio was 6.6 (95% CI, 2.1-20.5; p=0.002). The right eyes of untreated primary open angle glaucoma had 6.6 times more risk compared to the control group. The mean ocular perfusion pressure of left eyes in untreated primary open angle glaucoma was 39.9 ± 7.5 mm Hg and 48.6 ± 4.0 mm Hg in the control group. The odds ratio was 5.7 (95% CI, 1.8-17.5; p=0.004). The left eyes of untreated primary open angle glaucoma had 5.7 times more risk compared to control group. The findings revealed the evidence of vascular mechanism in glaucoma pathogenesis: Reduction of mean ocular perfusion pressure ≤48 mm Hg, may lead to daily repetitive ischemic insult to the optic nerve.

scholarly journals Informative value of biometric indices of iris, clear and cornea in primary open-angle glaucoma diagnosis

2018 ◽  
Vol 11 (1) ◽  
pp. 34-40
Author(s):  
Vladimir V Strakhov ◽  
Victor V Alekseev ◽  
Abdulgavi M Al-Mrrani ◽  
Anastasiya A Popova ◽  
Olga N Klimova
Keyword(s):  
Healthy Subjects ◽  
Primary Open Angle Glaucoma ◽  
Open Angle Glaucoma ◽  
Control Group ◽  
Open Angle ◽  
Tissue Thickness ◽  
Glaucoma Diagnosis ◽  
Primary Glaucoma ◽  
Positive Direct ◽  
Biometric Indices

Aim: to study the thickness of cornea, iris and scleral tissue, to determine its asymmetry between fellow eyes in healthy subjects and in patients with primary glaucoma. To determine the relationship between changes in biomechanical properties of the cornea and sclera and iris thickness in healthy subjects and in patients with primary glaucoma. Materials and methods. 10 patients (20 eyes) with primary glaucoma were examined. The control group consisted of 10 people (20 eyes). In all patients ultrasound biomicroscopy (Humphrey Instruments (USA), Model 840) was performed. Results and discussion. The article presents a study of the corneoscleral and iris tissue thickness in primary glaucoma, as well as the increase pattern of the revealed asymmetry in corneoscleral and iris tissue thickness from normal state to glaucoma. A positive direct correlation between the indices of cornea, sclera, and iris thickness in the primary glaucoma group and between biometric parameters of sclera and iris and the of corneal hysteresis value in primary open-angle glaucoma. (For citation: Strakhov VV, Alekseev VV, Al'-Mrrani AM, et al. Informative value of biometric indices of iris, clear and cornea in primary open-angle glaucoma diagnosis. Ophthalmology Journal. 2018;11(1):34-40. doi: 10.17816/OV11134-40).

scholarly journals The activity of superoxide dismutase and glutathione peroxidase in the humor aquosus of patients with the primary open-angle glaucoma

2003 ◽  
Vol 22 (2) ◽  
pp. 165-168
Author(s):  
Predrag Jovanovic ◽  
Vidosava Djordjevic ◽  
Gordana Zlatanovic ◽  
Lilika Zvezdanovic ◽  
Vladan Cosic
Keyword(s):  
Superoxide Dismutase ◽  
Glutathione Peroxidase ◽  
Primary Open Angle Glaucoma ◽  
Open Angle Glaucoma ◽  
Angle Closure ◽  
Visual Field Defects ◽  
Control Group ◽  
Open Angle ◽  
Primary Angle Closure Glaucoma ◽  
Antioxidative Enzyme Activities

Glaucoma is an optical neuropathy characterized by the excavation of optic disc, visual field defects and, in most cases, higher intraocular pressure. In the pathogenesis of the primary open-angle glaucoma a significant role is given to oxidative stress. The goal of this study is to determine the activity of antioxidative enzymes (superoxide dismutase, SOD and glutathione peroxidase, GPX) in humor aquosus in patients with the primary open-angle glaucoma (POAG) and in patients with the primary angle-closure glaucoma (PACG - control group) before and after the therapy with exogenous antioxidants. The activity of the examined enzymes in humor aquosus of patients with POAG is significantly higher than in humor aquosus of patients with PACG (p<0.001). The exogenous antioxidants diminish the concentration of free radicals resulting in a decrease of antioxidative enzyme activities and point to their possible use in glaucoma therapy (as a complementary).

scholarly journals Сontent of cytokines and growth factors in the intraocular fluid of patients with primary open-angle glaucoma

2019 ◽  
Vol 18 (1) ◽  
pp. 257-265
Author(s):  
V. V. Chernykh ◽  
V. I. Konenkov ◽  
O. V. Ermakova ◽  
N. B. Orlov ◽  
O. O. Obukhova ◽  
...  
Keyword(s):  
Growth Factors ◽  
Transforming Growth Factor ◽  
Primary Open Angle Glaucoma ◽  
Open Angle Glaucoma ◽  
Control Group ◽  
Open Angle ◽  
Beam Laser ◽  
Inflammatory Protein ◽  
Double Beam ◽  
Intraocular Fluid

Purpose. To study the content of cytokines and growth factors in the intraocular fluid of patients with developed stage of primary open-angle glaucoma (POAG).Materials and methods. 56 patients with a verified diagnosis developed stage of primary open-angle glaucomawere examined. The control group consisted of 30 patients with a diagnosis of uncomplicated cataract. A concentration of 17 cytokinesand 3 isoforms of the transforming growth factor (TGF) β was determined using a Bio-Plex Pro™ Human Cytokine 17-plex Assay and Bio-Plex Pro™ and TGFβ 3-plex Assay kit by flow-through fluorometry on a Bio-Plex 200, Bio-Rad double beam laser analyzer, USA.Results. Astatistically significant increase was shown in the concentrations of cytokines and growth factors (interleukins (IL) 4, 6, 7, 8, 12, 17, TGFβ 1, 2, 3, macrophage inflammatory protein 1 β) in the intraocular fluid of patients with developed stage of the primary open-angle glaucoma in respect to data obtained from the study of the intraocular fluid of the persons with uncomplicated cataract, as well as a statistically significant decrease in the concentrations IL-2, IL-10, granulocyte-macrophage colony-stimulating factor.Conclusion. In the pathogenesis of primary open-angle glaucoma, the activity of the local chronic inflammatory process is determined. This is confirmed by statistically significant changes in the studied cytokines and growth factors. Increase in the concentrations of the studied representatives of the superfamily of transforming growth factors-beta, which have anti-inflammatory activity, the ability to stimulate proliferation, cell growth, synthesis of extracellular matrix proteins, etc., attests to their importance in the mechanisms of primary open-angle glaucoma development. Increase concentrations of IL-7 in the intraocular fluid of patients with primary open-angle glaucoma allows us to assume participation in the pathogenesis of the primary open-angle glaucoma of this autocrine mediator of activation of the growth of lymphatic structures.

scholarly journals Clinical Analysis of Macular Choroidal Thickness in Pseudoexfoliative Glaucoma and Primary Open-Angle Glaucoma

2021 ◽  
Vol 2021 ◽  
pp. 1-5
Author(s):  
Fan Li ◽  
Yiming Huo ◽  
Lihua Ma ◽  
Qing Zhang ◽  
Hengli Zhang ◽  
...  
Keyword(s):  
Axial Length ◽  
Choroidal Thickness ◽  
Primary Open Angle Glaucoma ◽  
Open Angle Glaucoma ◽  
Control Group ◽  
Open Angle ◽  
Healthy Individuals ◽  
Pseudoexfoliative Glaucoma ◽  
The Mean ◽  
Choroidal Volume

Purpose. To evaluate the differences in macular choroidal thickness and volume among patients with pseudoexfoliative glaucoma (PXG), patients with primary open-angle glaucoma (POAG), and controls. Methods. A total of 50 PXG patients (50 eyes) and 56 POAG patients (56 eyes) were selected as the PXG group and the POAG group, respectively, in this case-control study. A total of 54 age-, gender-, IOP-, and axial length-matched healthy individuals (54 eyes) were selected as the control group. Enhanced-depth imaging-optical coherence tomography (EDI-OCT) was used to measure and analyze the choroidal thicknesses and volumes in 9 macular regions of all subjects. Results. The choroidal thicknesses in the central subfield (CSM), temporal inner macula (TIM), inferior inner macula (IIM), and temporal outer macula (TOM) and the mean macular choroidal thickness were significantly thinner in the PXG group than in the control group (all P < 0.05 ). The choroidal volumes in the TIM, IIM, and TOM and the mean macular choroidal volume were significantly smaller in the PXG group than in the control group (all P < 0.05 ). The choroidal thicknesses in the CSM and IIM and the mean macular choroidal thickness were significantly thinner in the PXG group than in the POAG group (all P < 0.05 ). The choroidal volumes in the IIM and TOM and the mean macular choroidal volume were significantly smaller in the PXG group than in the POAG group (all P < 0.05 ). Multivariable linear regression analysis showed that the mean macular choroidal thickness was significantly thinner in association with older subjects and longer axial length eyes. There was no association between the macular choroidal thickness of various macular regions and visual field mean defect (MD) in groups PXG and POAG (all P > 0.05 ). Conclusions. The macular choroidal thicknesses and volumes (inferior and temporal) in PXG patients were thinner and smaller than those in POAG patients and healthy individuals. The role of choroidal thickness changes in the course of PXG remains unclear. A future prospective study is needed to better define these changes in PXG patients.

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