Retinal imaging data for patients with IDH3A variants.
(Wide-field) color fundus photographs, optical coherence tomography OCT and
fundus autofluorescence (FAF) imaging with fundus-camera-based autofluorescence
photography or confocal scanning laser ophthalmoscopy (cSLO).
Patient A-II:1 at age 7 y, (A) pink optic discs, mildly attenuated blood vessels,
RPE alterations in the fovea and periphery, (B) small central disruptions in the
ellipsoid zone, (C) intact autofluorescence of the posterior pole.
Patient A-II:2 at age 3 y, (D) distinct atrophy of the RPE and choriocapillaris
in the macular region demarcated by a hyperpigmented ring, peripheral RPE
alterations, (E) atrophy of the RPE, abnormal outer retinal layers.
Patient B-II:1 at age 18 y, (F) mid-peripheral atrophy with bone spicule-like
pigmentation nasal>temporal, OS>OD, (G) bilateral severe cystoid macular
edema (RE>LE) with thickening of the retina and loss of normal foveal
structure, thinning and loss of the photoreceptor nuclei layer (ONL) is evident
in the para-macular regions of the scans, (H) hyper-autofluorescent ring around
the fovea.
Patient B-II:2 at age 15 y, (I) mid-peripheral atrophy with bone spicule-like
pigmentation nasal>temporal, OS>OD, (J) presence of the photoreceptor
nuclei layer in the fovea without edema, but marked thinning and loss of the ONL
is evident in para-macular regions, (K) prominent hyper-autofluorescent ring
surrounding the center of the macula.
Patient C-II:1 at age 20 y, (L) pale aspect of the optic disc, attenuated blood
vessels, RPE alterations from mid-periphery towards the far periphery, (M)
extensive peripheral atrophy of the outer segments and distortion of the foveal
architecture.
Patient D-II:2 at age 26 y, (N) peripheral bone-spicule pigmentary changes,
peripheral and mid-peripheral pigmentary retinopathy, macular pigmentation with
severe pseudocoloboma-like atrophy, mild arteriolar narrowing and mild optic
atrophy, (O) macular atrophy with lamellar disorganization, (P) strongly reduced
autofluorescence within the macula, diffusely increasing in a broad ring around
the macula, and fading towards the periphery.