Abstract：
PURPOSE:To assess photoreceptor structure in macular microholes by using adaptive optics scanning laser ophthalmoscopy (AO-SLO) and spectral-domain optical coherence tomography (SD-OCT) and compare with visual acuity. METHODS:Fourteen eyes from 12 patients with macular microholes underwent a full ophthalmologic examination and imaging with a fundus camera, SD-OCT, and an original prototype AO-SLO system at each visit. RESULTS:All eyes had a cone outer segment tip line disruption and a normal retinal pigment epithelium line on SD-OCT images. Adaptive optics scanning laser ophthalmoscopy revealed foveal cone disruption (13 eyes, round or oval; 1 eye, T-shaped) in all eyes. Cone disruption area (mean = 14,805 ± 9120 μm(2); range, 3495-35,901 μm(2)) positively correlated with logMAR visual acuity at the first visit (P = 0.015, rs = 0.679). During the follow-up period, cone disruption area increased in two eyes, was stable in seven eyes, and decreased in five eyes. At the last visit, cone disruption area (mean = 8717 ± 7432 μm(2); range, 0-25,746 μm(2)) also positively correlated with logMAR visual acuity (P = 0.035, rs = 0.610). In one patient with bilateral microholes and no apparent vitreous traction, lesion size gradually increased. Cone disruption area decreased and visual acuity improved following oral prednisone therapy. CONCLUSIONS:Cone disruption occurs in eyes with macular microholes and a larger cone disruption area translates into a poorer visual acuity. Macular microholes, which are commonly observed as foveal cone inner and outer segment disruptions, may occur in eyes with or without vitreofoveal traction.
journal_name
Invest Ophthalmol Vis Scijournal_title
Investigative ophthalmology & visual scienceauthors
Ooto S,Hangai M,Takayama K,Ueda-Arakawa N,Makiyama Y,Hanebuchi M,Yoshimura Ndoi
10.1167/iovs.13-13792subject
Has Abstractpub_date
2014-08-21 00:00:00pages
5932-43issue
9eissn
0146-0404issn
1552-5783pii
iovs.13-13792journal_volume
55pub_type
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journal_title：Investigative ophthalmology & visual science
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