A corneal abrasion is a scratch to the epithelium of the cornea that is the transparent front portion of the eye. The cornea is made up of five layers and epithelium is the outermost layer of the cornea that is exposed to the environment.
If you’ve been having itching and irritated eyes- It can be caused by a couple of different things but most commonly it’s caused by eye allergies, and these may be seasonal allergies or perennial allergies.
Hypermetropia is an eye disorder in which one can only able to see the far objects(i.e objects far to his eyes) clearly, that is why it is also known as Farsightedness or also as Hyperopia all are same.
Puffy eyes are a natural eye condition in which there is a swelling at the lower part of your eye is also known as bags below the eye. Very common in old aged people also one thing to consider that puffy eye and swollen eyes are two different conditions of eyes.

Important Message
"I would encourage all patients with eye problems to contact their local eye care professionals as soon as possible. The earlier an eye problem is treated the better, as this will reduce the likelihood of any long term effects on eye heath." - @Editor -eyesdisorder.com