Question

lagi developed conversion blindness but rarely bumps into anything, even in unfamiliar environments. this is evidence that lagi has: legal blindness. at least some vision, even if he is unaware of it. hyperopia. myopia.

Explanation:

Conversion blindness is a psychological condition. Lagi's ability to navigate without bumping suggests some residual vision. Legal blindness is a medical - legal definition. Hyperopia (farsightedness) and myopia (nearsightedness) are refractive errors. Since he can avoid obstacles, it implies some vision (even if subconscious).

Answer:

at least some vision, even if he is unaware of it.