Final answer:
The normal intraocular pressure range is 12-24 mm Hg. Acute angle-closure glaucoma involves a sudden severe rise in intraocular pressure.
Step-by-step explanation:
The normal intraocular pressure range is 12-24 mm Hg. Acute angle-closure glaucoma involves a sudden severe rise in intraocular pressure, which can lead to damage in the eye. It is important to have regular check-ups to detect any abnormally high intraocular pressures and manage them effectively.