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  • September 10, 2021
  • 2021 Abstracts

Assessment of retinal function and structure in patients after scleral buckling surgery for macula on rhegmatogenous retinal detachment

Author: Jakub Kaluzny (Poland)

Co-authors: Przemysław Zabel, Damian Jaworski, Martyna Stankiewicz, Karolina Kaźmierczak, Joanna Stafiej, Grażyna Malukiewicz

Purpose

To compare the retinal sensitivity, vessel density (VD) and thickness of the inner retinal layers (IRL) between normal eyes and eyes after scleral buckling surgery for rhegmatogenous retinal detachment.

Setting/Venue

Department of Ophthalmology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Poland, Oftalmika Eye Hospital in Bydgoszcz, Poland

Methods

We enrolled to a cross-sectional study 21 patients that underwent in one eye scleral buckling surgery with episcleral implant due to macula-on rhegmatogenous retinal detachment. All participants were examined bilaterally at least 6 months after the operation using optical coherence tomography angiography (OCT-A) to assess VD and Spectral domain OCT (Sd-OCT) to assess thickness of IRL. Retinal sensitivity was tested with microperimetry (MP). A direct comparison of the retinal sensitivity, VD and IRL thickness between the operated eye and the fellow normal eye was received by normalizing the obtained values as percentage loss.

Results

The intereye comparison showed that the most significant changes after scleral buckling surgery were observed in OCTA in the radial peripapillary capillaries VD (13,9%) then in the deep and superficial vascular plexus (11.5%). It was observed difference in the retinal ganglion cell complex thickness (8.6%) in Sd-OCT , as well as decreased retinal sensitivity (7.6%) in MP. The percentage reduction in relation to the fellow eye was statistically significant for all tested parameters.

Conlusions

After the scleral buckling surgery for macula on rhegmatogenous retinal detachment adverse functional and structural changes in the macula are observed in comparison to the fellow eye. The disturbances in retinal microcirculation are more advanced than in retinal sensitivity, which may indicate the vascular pathomechanism of functional dysfunction.

Financial Disclosure

Authors do not have any financial relations to disclose.

Comments

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