QUES: Blepharitis refers to a condition that involves inflammation of the outer skin and middle muscle connective tissue and glands portions of the eyelids

correct the punctuation.

CORRECTED: Blepharitis refers to a condition that involves inflammation of the outer skin and middle (muscle, connective tissue, and glands) portions of the eyelids.

QUES: A vast crowd hearing this collected outside and finally burst in seized the two brothers and tore them to pieces

correct the punctuation.

CORRECTED: A vast crowd, hearing this, collected outside and finally burst in, seized the two brothers, and tore them to pieces.

QUES: If intraocular pressure increases or if bleeding reoccurs the

correct the punctuation.

CORRECTED:
...If intraocular pressure increases, or if bleeding re-occurs, the...