Last reviewed 07/2021
Blindness is defined as the lack or loss of ability to see. A person is registered as blind if they have a corrected acuity of < 3/60 in the better eye.
Types of blindness include:
- rapid onset, with bilateral loss of sight
- gradual onset, with bilateral loss of sight
- rapid onset, with unilateral loss of sight
- gradual onset, with unilateral loss of site
Any patient with sudden painless loss of vision requires specialist review unless the cause of visual loss is unequivocally migraine.
blindness (rapid onset unilateral loss)
blindness (gradual onset bilateral loss)
blindness (rapid onset bilateral loss)
blindness (gradual onset unilateral loss)
sudden loss of vision - anatomical classification