Congenital malformations, deformities, and chromosomal abnormalities (Q00-Q99).
- Hereditary blindness (e.g., Leber’s congenital amaurosis).
Eyes and eye appendages (H00-H59).
- Functional blindness (psychogenic blindness) – loss of vision without the ability to make objective findings.
- Practical blindness
Injuries, poisonings and other consequences of external causes (S00-T98).
- Actinic keratopathy or photokeratitis (snow blindness).
- Blinding (sweat burn)
