Riddles in Ophthalmology

Here are some fun riddles related to ophthalmology. Write your answers in comments and I shall give right answer after getting enough attempts.

Riddle 1

Yesterday It was visible barely,

Today It become barley,

First It blushed,

Then it got flushed.

Which disease am I?

This eye open and close, along with your mouth;

Gun is there in my name, leaves no doubt.

Which syndrome am I?

I am known as grape,

As I am always under a drape.

Which system am I?

- compiled & published by Dr Dhaval Patel MD AIIMS