Synonym(s): - Atypical X-linked achromatopsia - Blue cone monochromacy - Color blindness, blue monocone monochromatic type - S cone monochromacy - S cone monochromatism - X-linked incomplete achromatopsia
Classification (Orphanet): - Rare eye disease - Rare genetic disease Entire classification		Classification (ICD10): - Diseases of the eye and adnexa - See
Epidemiological data: Class of prevalence: 1-9 / 100 000 Average age onset: neonatal/infancy Average age of death: normal Type of inheritance: x-linked recessive		External references: 1 OMIM reference - See 2 MeSH references: C536238 / C538165
More Info - Orphanet

Gene symbol	UniProt reference	OMIM reference
OPN1LW	P04000	300822
OPN1MW	P04001	300821

- Abnormal ERG / electroretinogram / electroretinography
- Achromatopsia / dyschromatopsia / daltonism / impaired colour vision
- Corneal dystrophy
- Mild visual loss / impaired visual acuity
- Photophobia
- Retinitis pigmentosa / retinal pigmentary changes
- X-linked recessive inheritance