Non-arteritic → Not involving arteries [0] Anterior → Front part Ischemic → Low blood flow Optic → Related to the eye Neuropathy → Nerve damage [1] "Non-ar

Non-arteritic → Not involving arteries [0] Anterior → Front part Ischemic → Low blood flow Optic → Related to the eye Neuropathy → Nerve damage [1] "Non-arteritic anterior ischemic optic neuropathy (NAION) refers to loss of blood flow to the optic nerve (which is the cable that connects the eye to the brain). This condition typically causes sudden vision loss in one eye, without any pain." - https://www.brighamandwomens.org/neurology/neuro-ophthalmology/non-arteritic-anterior-ischemic-optic-neuropathy https://www.brighamandwomens.org/neurology/neuro-ophthalmolo... [0] This differentiates it from a similar condition that does involve arteries [1] More literally, nerve sickness