yes because you cannot eyesight someone as in a verb it is definitly a noun
No, the noun 'eyesight' is an uncountable noun, a word for an ability to see, vision.
No. Eyesight is a noun. It refers to vision. There is no related adverb form that could be a synonym of the adverb visually.
No. Eyesight is a noun. There is no particular adjective form, as most of the words are based on the word "vision."
There are four nouns. Mr. Perez is a proper noun. Care, eyesight, and family are common nouns.
True, but rhinos do have particularly good eyesight.
Pandas have poor eyesight.
Vitamin A is essential for eyesight.
360 degree eyesight.
Lady's eyesight
no that's not possible
Retinopathy from diabetes eyesight recoverd
my eyesight is very bad