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Phenotype Characteristics of Fellow Eyes in Patients With Early Onset of Neovascular Age-Related Macular Degeneration.

Abstract：

PURPOSE:To investigate phenotype characteristics of fellow eyes in patients with early onset of neovascular age-related macular degeneration (NVAMD). METHODS:Patients with new-onset unilateral NVAMD between 50 and 65 years (n = 57, early-onset choroidal neovascularization [CNV] group) or >80 years (n = 47, late-onset CNV group) or with nonneovascular AMD (n = 98, no-CNV group) were included. Fellow eyes in both CNV groups and the eyes with the more severe AMD staging in the no-CNV group were used to evaluate number and size of macular drusen, extramacular drusen (EMD), pigmentary abnormalities, and retinal pigment epithelium (RPE) atrophy on color photographs and hyperreflective dots (HRD) and reticular pseudodrusen (RPD) on spectral-domain optical coherence tomography (SDOCT) scans. Regression analysis was used to compare groups. RESULTS:Occurrence of >20 macular drusen was more frequent in the early-onset CNV group than the late-onset CNV group (odds ratio [OR] 2.93; P = 0.01) or the no-CNV group (OR 2.17; P = 0.02). Retinal pigment epithelium atrophy, RPD, and HRD appeared less frequently in the early-onset CNV group than in the late-onset CNV group (RPE atrophy: OR 0.11; P = 0.005; RPD: OR 0.04; P = 9.38 × 10⁻¹⁰, HRD: OR 0.30; P = 0.004) and no-CNV group (RPE atrophy: OR 0.12; P = 0.005; RPD: OR 0.40, P = 0.03, HRD: not significant). No differences were detected regarding presence of large drusen, pigmentary abnormalities, and EMD. CONCLUSIONS:A large number of macular drusen in the fellow eye appeared to be characteristic for early onset of NVAMD, whereas RPE atrophy, HRD, and RPD were more frequently present in AMD patients > 80 years. Prospective trials with patients converting to NVAMD are required to further analyze morphologic characteristics for early versus late development of advanced AMD.

journal_name

Invest Ophthalmol Vis Sci

journal_title

Investigative ophthalmology & visual science

authors

Schick T,Ersoy L,Hoyng CB,Kirchhof B,Liakopoulos S

doi

10.1167/iovs.15-16989

subject

Has Abstract

pub_date

2015-11-01 00:00:00

pages

7269-73

issue

12

eissn

0146-0404

issn

1552-5783

pii

2469812

journal_volume

56

pub_type

杂志文章

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