Phenotype details |
see paper; ..., 29y-photopsia (HP:0030786), slightly reduced acuity (HP:0007663), mild nyctalopia (HP:0000662); irregular pigmented lesions in periphery(HP:0007703), pale discs (HP:0000543), cystoid macular edema (HP:0011505), peripheral telangiectasia (HP:0007763) with some retinal edema (HP:0020120) and vitreous cells (HP:0004327), possible para-arteriolar sparing; 29y-ERG no identifiable responses other than a minimal, delayed response to 30Hz flicker (PERG, EOG and ERG tested), severe photoreceptor dysfunction; 29y-colour vision Ishihara 15/15 each eye; 29y-Goldmann visual fields ring scotoma at 30 degrees, binocular Esterman age 36: central 20 degrees only retained; presenting VA logMAR (Snellen) R 0.48 (20/60), L 0.3 (20/40); latest VA logMAR R 1.8 (20/1250), L 1.5 (20/630); latest refractive error, dioptres R -1.00/-1.00x5, L +0.75/-1.00x90 |