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30.06.2018 | Glaucoma | Ausgabe 10/2018

Graefe's Archive for Clinical and Experimental Ophthalmology 10/2018

Long-term follow-up of retinal nerve fiber layer cleavages in glaucoma patients and suspects

Zeitschrift:
Graefe's Archive for Clinical and Experimental Ophthalmology > Ausgabe 10/2018
Autoren:
Yun Hsia, Chien-Chia Su, Tsing-Hong Wang, Chung-May Yang, Jehn-Yu Huang

Abstract

Purpose

To investigate the structural and functional characteristics and change of the retinal nerve fiber layer cleavages (RNFLCs) in glaucoma patients and suspects in long-term follow-up.

Methods

This is a retrospective longitudinal study. Within 43 eyes of 30 subjects, 62 RNFLC locations were detected on color fundus photography. Basic ophthalmic examinations, color fundus photography, optical coherence tomography (OCT), and visual field (VF) test were performed in 6-month intervals. Clinical characteristics and the structural and functional changes of the cleaved areas were analyzed.

Results

RNFLC and localized vitreoretinal traction occurred most commonly along the superotemporal retinal vessel arcade. Nine locations had corresponding defects on OCT deviation map, while 31 locations were associated with defects on OCT deviation map. Three locations had corresponding VF defects. More of the non-highly myopic eyes had lamellar hole than the highly myopes (p = 0.038). The RNFLC lesions in glaucomatous eyes were more frequently associated with OCT defects on deviation map (p = 0.021). There was no difference in the presence of lamellar hole or the number of RNFLCs between the glaucomatous and non-glaucomatous eyes. During a 66.8 ± 37.8-month follow-up, there was no structural or functional progression of the RNFLCs as determined by color fundus photography, VF test, and GPA of OCT interpreted by three ophthalmologists. There was no statistically significant change of RNFLC area (p = 0.268).

Conclusions

RNFLC did not show detectable functional or structural change in early glaucoma patients and suspects after long-term follow-up.

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