Accuracy of user-adjusted axial length measurements with optical biometry in eyes having combined phacovitrectomy for macular-off rhegmatogenous retinal detachment

Introduction. The aim of this study was to investigate the postoperative prediction error measured by optical biometry and acoustic biometry in eyes after phacovitrectomy for rhegmatogenous retinal detachment (RRD) with no macular involvement. Methods. Forty-nine eyes of 49 patients (32 male, 17 female; mean age 62.6 ± 7.5 years) with RRD without macular involvement who underwent phacovitrectomy (RRD group) and 49 eyes of 33 patients (21 male, 12 female; mean age 74.1 ± 7.1 years) without macular disease who underwent cataract surgery (control group) were included in this retrospective comparative study. The difference between the preoperative predictive value and the postoperative refractive value was measured both by optical and acoustic biometry and compared in each group. Results. The postoperative refractive error calculated by acoustic biometry was −0.81 ± 0.75D and that calculated by optic biometry was −0.44 ± 0.77D in the RRD group. The postoperative refractive error calculated by acoustic biometry was −0.21 ± 0.64D and that calculated by optic biometry was 0.27 ± 0.71D in the control group. Significant myopic shifts were observed in the RRD group using both acoustic biometry and optic biometry but not in the control group. Conclusion. Phacovitrectomy for RRD with no macular involvement resulted in a significant myopic shift when compared with cataract surgery alone in patients without macular disease when calculated by both acoustic biometry and optic biometry.

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Different Mechanistic Association of Myopia with Rhegmatogenous Retinal Detachment between Young and Elderly Patients

BioMed Research International ◽

10.1155/2019/5357241 ◽

2019 ◽

Vol 2019 ◽

pp. 1-6 ◽

Cited By ~ 2

Author(s):

Min Seok Kim ◽

Sang Jun Park ◽

Kyu Hyung Park ◽

Se Joon Woo

Keyword(s):

Retinal Detachment ◽

Elderly Patients ◽

Axial Length ◽

High Myopia ◽

Rhegmatogenous Retinal Detachment ◽

East Asian ◽

Age Groups ◽

Length Distribution ◽

Bimodal Distribution ◽

Major Mechanism

Objectives. To investigate the mechanism of rhegmatogenous retinal detachment (RRD) in young and elderly Korean patients based on the results of axial length distribution. Subjects/Methods. We retrospectively reviewed the medical records of 1599 patients with RRD who had bilateral axial length data examined at one center between 2003 and 2018. Axial lengths were measured using ultrasound or IOLMaster500. The frequency of RRD and axial length distribution according to age groups were investigated. Results. Patients with RRD displayed a bimodal distribution across ages with two age groups showing the highest peak at 55–59 years and a second peak at 25–29 years of age. The mean axial length was significantly longer in patients younger than 50 years old than that in patients ≥ 50 years old (26.18 ± 1.86 mm vs. 24.55 ± 1.67 mm, respectively, p < 0.001). The percentage of patients with high myopia (axial length ≥ 26 mm) in patients < 50 years old was higher than that in those ≥ 50 years old (51.9% vs. 15.0%, respectively, p < 0.001; odds ratio, 6.11; 95% confidence interval, 4.83 to 7.74). Conclusions. We found a difference in the prevalence of myopia between young and elderly patients with RRD, which corresponds to a bimodal distribution of RRD incidence in East Asian countries. Our data indicate that myopia or high myopia-induced early vitreous detachment appears to be a major mechanism of occurrence of RRD in young East Asian patients, while senile vitreous liquefaction and detachment is the main mechanism of RRD in elderly patients.

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Optical Biometry Derived Axial Length Measurements Following Intravitreal Anti-Vascular Endothelial Growth Factor Treatment for Macular Edema

Seminars in Ophthalmology ◽

10.1080/08820538.2017.1303520 ◽

2017 ◽

Vol 33 (4) ◽

pp. 488-491 ◽

Cited By ~ 2

Author(s):

George D. Kymionis ◽

Athanassios Giarmoukakis ◽

Ioanna K. Apostolidi ◽

Styliani V. Blazaki ◽

Konstantinos I. Tsoulnaras ◽

...

Keyword(s):

Vascular Endothelial Growth Factor ◽

Growth Factor ◽

Macular Edema ◽

Axial Length ◽

Vascular Endothelial ◽

Optical Biometry ◽

Length Measurements ◽

Endothelial Growth Factor ◽

Growth Factor Treatment

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Changes in Axial Length After Vitrectomy for Rhegmatogenous Retinal Detachment With Associated Choroidal Detachment

10.21203/rs.3.rs-58749/v1 ◽

2020 ◽

Author(s):

Jipeng LI ◽

Jun XU ◽

Meng ZHAO

Keyword(s):

Retinal Detachment ◽

Axial Length ◽

Rhegmatogenous Retinal Detachment ◽

Silicone Oil ◽

Choroidal Detachment ◽

Pathological Myopia ◽

Number Of Patients ◽

Significant Difference ◽

Potential Factors ◽

Lens Power

Abstract BACKGROUND The precise pre-operative measurements of axial length (AL) are essential for calculating intraocular lens power in cases undertaking pars plana vitrectomy (PPV) combined with cataract surgery. The changes in AL after PPV for rhegmatogenous retinal detachment (RRD) combined with choroidal detachment (CD) has not been reported. Here, we studied the postoperative AL changes in patients with RRD combined with CD (RRD-CD) and compared the changes in patients with RRD and tractional retinal detachment (TRD). METHODS In this retrospective cohort study, medical records of 129 patients who received PPV combined with silicone oil tamponade from January 2015 to December 2018 were reviewed. Patients included were divided into three groups, RRD-CD, RRD, and TRD. All patients had received AL measurements before PPV and before silicone oil removal (SOR). The changes in AL of three groups before PPV and before SOR were compared. The potential factors related to AL changes were analyzed. RESULTS The number of patients included in RRD-CD, RRD, TRD groups were 41, 43, and 45, respectively. In RRD-CD group, AL measured before SOR was longer than that measured before PPV with a median of 1.01 [0.37,1.79] mm (p = 0.02). There was no such significant difference in RRD group (0.15 [0.04, 0.42] mm, p = 0.58) or TRD group (0.07[-0.03,0.15] mm, p = 0.53). The amplitude of AL changes in RRD-CD group was greater than that in RRD group (p < 0.001) and that in TRD group (p < 0.001). AL increased 0.06 mm (0.06, R2 = 0.11, p = 0.03) in RRD-CD group and 0.02 mm (0.02, R2 = 0.11, p = 0.01) in RRD group when the IOP before SOR was 1 mmHg higher than that before PPV. After adjusting the effect of the factors as the presence of pathological myopia (p = 0.45), IOP before PPV (p = 0.86), sustained elevation of IOP in post-PPV follow up (p = 0.51), AL in RRD-CD group was 11.42 times (3.54, 46.80) more likely to increase for more than 1 mm compared to that in RRD group (p < 0.001, AIC = 86.15). CONCLUSION Patients with RRD-CD are very likely to have postoperative elongation of AL. The primary IOL implantation using pre-operative AL data may cause significant refractive error in combined surgery in patients with RRD-CD.

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