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From Constructs to Crystals – Towards Structure Determination of β-barrel Outer Membrane Proteins
Published on: July 4, 2016
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Vitreomacular Traction and Outer Retinal Structural Changes
Şeyda Yıldırım1, Jale Menteş2, Mine Barış3
1Adıyaman University Training and Research Hospital, Ophthalmology Clinic, Adıyaman, Turkey
Turkish Journal of Ophthalmology
|May 6, 2019
Summary
Vitreomacular traction (VMT) can cause small outer retinal defects, even without a full macular hole. These microholes may lead to visual symptoms and potentially permanent structural changes in the retina.
Area of Science:
- Ophthalmology
- Retinal Imaging
- Macular Diseases
Background:
- Vitreomacular traction (VMT) is a condition where the vitreous gel adheres to the macula, potentially causing structural damage.
- Incomplete posterior vitreous detachment is a common cause of VMT.
Purpose of the Study:
- To describe outer retinal structural changes secondary to VMT.
- To analyze these changes using spectral-domain optical coherence tomography (SD-OCT).
Main Methods:
- Retrospective analysis of 3 eyes from 3 patients experiencing VMT.
- Utilized SD-OCT to visualize outer retinal layers and macular structures.
Main Results:
- Identified outer retinal microholes at the fovea in all patients.
- Microholes extended from the retinal pigment epithelium to the outer limiting membrane.
- These defects decreased in size over a mean 32-month follow-up but did not fully resolve.
- No full-thickness macular holes were observed.
Conclusions:
- VMT can induce small outer retinal layer defects without causing full-thickness macular holes.
- These VMT-induced lesions can cause visual symptoms and may result in permanent structural changes.
- SD-OCT is crucial for identifying and monitoring these outer retinal alterations.
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