Cockayne syndrome type 3 https://rarediseases.info.nih.gov/diseases/1417/cockayne-syndrome-type-iii https://www.malacards.org/card/cockayne_syndrome_type_3 icd11.foundation:1401163130 Cockayne syndrome type III GARD:0001417 Cockayne syndrome type C MEDGEN:196713 Cockayne syndrome type III, also known as the mild form of Cockayne syndrome, is a rare genetic disorder that causes early (premature) aging. Unlike the more severe forms of this condition, individuals with Cockayne syndrome type III can have normal growth and development. Symptoms may include sunlight sensitivity (photosensitivity), hearing loss, eye and bone abnormalities, and changes to the brain that can be seen on imaging (brain MRIs). In general, symptoms of Cockayne syndrome type III are usually not noticeable until later in childhood. UMLS:C0751037 Editor note: this is obsolete in OMIM but is still a valid class in Orphanet. No info in GHR Cockayne syndrome type 3 MONDO:0008998 Orphanet:90324 OMIM:216411 Cockayne syndrome