severe early-childhood-onset retinal dystrophy https://github.com/monarch-initiative/mondo/issues/5693 https://www.malacards.org/card/stargardt_disease_1_2 Stargardt disease type 1 Orphanet:364055 SCTID:716663009 SECORD early-onset severe retinal dystrophy EOSRD DOID:0061241 Stargardt disease 1 MEDGEN:383691 STGD1 UMLS:C1855465 Severe early childhood onset retinal dystrophy (SECORD) is an inherited retinal dystrophy, characterized by a severe congenital night blindness, progressive retinal dystrophy and nystagmus. Best corrected visual acuity can reach 0.3 in the first decade of life and can pertain well into the second decade of life. Blindness is often complete by the age of 30 years. An overlap with Leber congenital amaurosis (LCA) occurs when patients are characterized by their visual acuity and panretinal dystrophy. GARD:0021565 OMIM:248200 MONDO:0009549 Stargardt disease ABCA4-related retinopathy