It is one word.
No. Eyesight is a noun. There is no particular adjective form, as most of the words are based on the word "vision."
Two-toed sloths are nocternal. So yes two toed sloths have good eyesight.
stealth and eyesight
Pandas have poor eyesight.
True, but rhinos do have particularly good 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
While he is still alive? "Either my eyesight fails or thou lookest pale".