With the exception of not capitalizing the 'y' at the start of the sentence, it is a correct sentence.
Macular degeneration is a disease of the eye that causes blindness by destroying the retina.
the retina contains the rods and cones which sense the amount of light and different colors respectively.
Your Retina
You can not die from a torn retina.
The retina is in the eye.
The plural form of retina is retinas. As in "your retinas are healthy".
Macular degeneration is a disease of the eye that causes blindness by destroying the retina.
The retina had been ruptured causing the loss of vision
No. It should say this: You not only exercise but you also go on a diet to stay healthy.
"How are you" is a correct sentence.
human eye uses a lens to form an image on retina.
Yes, this sentence is correct.
You are palpitating. This is a correct sentence.
Looking directly at the sun can damage the retina and/or cause blindness.
Yes, that is a correct sentence.
That sentence is grammatically correct.
no it is not a correct sentence.