scholarly journals EFFECT OF MYOPIA ON PRIMARY OPEN ANGLE GLAUCOMA

Author(s):  
MENAKURU SREYA REDDY ◽  
DIVYA N. ◽  
PANIMALAR A. VEERAMANI ◽  
BINDU BHASKARAN

Objective: It is a retrospective study to evaluate the effect of myopia on primary open-angle glaucoma by classifying the eyes into NMG (non-myopic glaucoma), HMG (highly myopic glaucoma) And MMG (mild to moderate myopic glaucoma). Methods: The study was performed on 120 patients with primary open-angle glaucoma who were medically treated. Any participant who had surgery done was excluded from the study. The relation between glaucoma and different myopia and progression were assessed on the basis of age, gender, risk factors. Results: Out of the 120 cases assessed, 46 [38 percent] were female and 74 [62 percent] were males. On the basis of age there were 9 cases between 31-40 y, 30 cases between the ages 41-50, 40 cases between 51-60, 32 cases between 61-70 and 9 cases between 71-80, on the basis of myopia 59 [49 percent] were NMG 47 [39 percent] were MMG and 14 [12 percent] were HMG. On the basis of risk factors,12 of them had Diabetes Mellitus, 7 had Hypertension, 7 had a history of steroid use, 3 had a history of migraines and 6 of them had a family history of glaucoma. In the observed one year period 73 percent if the cases were not progressive while 27 percent were progressive. In this study, it has been observed that the males are more commonly affected and the age group with the most cases was the 51 to 60 age group. The majority of the cases showed no risk factors though Diabetes Mellitus is the most common. The progression of the disease is seen more frequently in cases associated with Diabetes Mellitus and Hypertension. In MMG 12 out of the 47 cases were progressive and in NMG 15 out of the 59 cases were progressive. Conclusion: Though high myopia is important in the pathogenesis of glaucoma there was no evidence that high myopia increases the progression of the disease of the 14 cases, only 5 were progressive.

2019 ◽  
Author(s):  
Anh Van Bui ◽  
Tung Thanh Hoang ◽  
Ngoc Bich Nguyen ◽  
Anh Kim Le ◽  
Jennifer L. Patnaik

Abstract Purpose: To identify risk factors for primary open-angle glaucoma (POAG) in a Vietnamese population. Methods: A matched case-control study was conducted at Vietnam National Institute of Ophthalmology. Cases were patients clinically diagnosed with POAG. Controls were caregivers of patients with other eye diseases, free from any ocular and systemic abnormalities, and were selected and then matched with the cases by gender and age. Cases and controls were examined by a glaucoma specialist to confirm presence or absence of POAG. Data on demographic, ophthalmic and medical conditions were collected via interview at time of examination. Associations between POAG and potential factors were examined by univariate conditional logistic regression analysis (OR – Odd Ratios) and multivariate conditional logistic regression (AOR – Adjusted Odd Ratios) with level of significance is 0.05. Results: In total, 128 cases with POAG and 128 controls were recruited. Multivariate conditional (fixed-effects) logistic regression analysis resulted in several significant risk factors, including hypertension AOR =4.7 (95% CI: 1.8–12.0; p=0.002); family history of glaucoma AOR = 6.4 (95% CI: 1.3 – 32.2; p = 0.026); over–the–counter eye medication AOR = 3.1 (95% CI: 1.5 – 6.5; p = 0.006), and a protective role for marriage AOR = 0.2 (95% CI: 0.1 – 0.7; p = 0.006) and weekly exercise AOR = 0.3 (95% CI: 0.1 – 0.8; p = 0.021). Conclusions: Hypertension, family history of glaucoma and over–the–counter eye medication were risk factors while marriage and weekly exercise were protective factors for POAG in Vietnamese population.


1970 ◽  
Vol 10 (1) ◽  
pp. 35-39
Author(s):  
S Bhattarai ◽  
K Sapkota ◽  
SMN Prabhudesai ◽  
JK Shrestha ◽  
AK Sharma

Background: Primary open angle glaucoma (POAG), a chronic, slowly progressive, optic neuropathy, is insidious in onset and painless, until it has caused a significant loss of vision and visual field. Diabetes mellitus and high myopia are the major risk factor of POAG. Objectives: To determine correlation of diabetes mellitus and high myopia in POAG and to estimate the duration of onset of POAG from the diagnosis of diabetes mellitus and high myopia. Method: This retrospective and cross sectional study was conducted in Prabhudesai eye clinic, Pune, India. All the patients diagnosed as POAG from 1st September 2008 to 1st March 2009 AD were included in this study. Association of high myopia with diabetes mellitus was determined by SPSS 13 software. The average duration of onset of POAG after the diagnosis of diabetes mellitus and high myopia was calculated. Results: There were 63.3% (38) male and 36.7% (22) female out of 60 patients of POAG with mean age 54.4±15.4 years. Among them, 27 (45.0%) patients had diabetes mellitus or high myopia. Onset of POAG was found to occur after 11.1±8.3 years of the diagnosis of diabetes and 10.6±3.2 years after the diagnosis of high myopia. Conclusion: The incidence of diabetes mellitus and high myopia was high and significantly associated in primary open angle glaucoma. POAG was detected soon after the onset of diabetes mellitus and high myopia. DOI: http://dx.doi.org/10.3126/hren.v10i1.6005 HREN 2012; 10(1): 35-39


2021 ◽  
Vol 8 (33) ◽  
pp. 3084-3089
Author(s):  
Ram Kumar Jaiswal ◽  
Ramyash Singh Yadav ◽  
Mridula Ranjan ◽  
Dipti Wahi ◽  
Chiranji Rai

BACKGROUND Myopia is a complex trait including both genetic and environmental factors as well as gene-environment interactions. It has been recognized as a risk factor for development of glaucoma. Both Myopia and raised IOP are known to increase mechanical stress at optic nerve head leading to glaucomatous nerve damage. This study intends to evaluate the clinical profile of myopic subjects and its correlation with Primary open angle glaucoma (POAG). METHODS A prospective observational study done from November 2019 to December 2020 after taking proper informed consent and ethical clearance. 164 eyes of 96 patients studied were divided into three groups, Group 1: low myopia (< -3.00D), Group 2: moderate myopia (-3.00 D to -5.75 D), Group 3: high myopia (≥ -6.00 D). A complete ocular examination was performed. Intraocular pressure was measured using Goldmann applanation tonometer. Visual field analysis using Humphrey automated perimetry was done in patients with suspected primary open angle glaucoma (POAG). Angle parameters and central corneal thickness (CCT) were measured using anterior segment optical coherence tomography (AS-OCT). RESULTS 164 eyes of 96 Myopic subjects were studied with no dropout during study period. Mean age was 46.05 yr. (range: 25-75 yr.). The refraction ranged from -0.50 DS to -17.00 DS. There was no statistically significant difference between Intraocular pressure (IOP), Central corneal thickness (CCT), corrected IOP and Nasal and Temporal Trabecular-iris Angle (TIA) between male and female of same age group. Mean IOP and mean CCT were found to vary significantly with age and with higher degree of myopia. Corrected IOP, Nasal and Temporal TIA increase significantly with higher degree of myopia. Cup-disc ratio (CDR) was found to be significantly higher in patients with moderate to high degree of Myopia. CONCLUSIONS Myopia is an important risk factor for development of primary open angle glaucoma, with its incidence increasing in patients with moderate to high myopia. KEYWORDS Myopia, Primary Open Angle Glaucoma, Intraocular Pressure, Central Corneal Thickness, Trabecular Iris Angle


2018 ◽  
pp. 140-145
Author(s):  
E.A. Egorov ◽  
◽  
V.P. Erichev ◽  
A.L. Onishchenko ◽  
S.Yu. Petrov ◽  
...  

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