No. Eyesight is a noun. It refers to vision. There is no related adverb form that could be a synonym of the adverb visually.
Not really, although they are less prone to genetic eyesight disorders (colour blindness). Girls just appear to have better eyesight than boys because they are more vocal in criticising what they see.
It can be. Asleep can be an adjective or adverb.
Yes, nightly is an adverb.
eyesight
Dark can be an adjective or a noun. Darkly is an adverb.
True, but rhinos do have particularly good eyesight.
Pandas have poor eyesight.
Vitamin A is essential for eyesight.
360 degree eyesight.
Lady's eyesight
Retinopathy from diabetes eyesight recoverd
no that's not possible
my eyesight is very bad
No they have good eyesight like all anteolopes
There is no such concept as "eyesight speed"
Sloths have very poor eyesight and hearing
Yes, griffins are often depicted in mythology and folklore as having exceptionally keen eyesight. Their sharp vision is believed to aid them in hunting and navigating their surroundings.