Final answer:
Closed angle glaucoma (CAG) is caused by the blockage of the trabecular meshwork, leading to increased intraocular pressure and potential vision loss.
Step-by-step explanation:
Closed angle glaucoma (CAG) is caused by the physical blockage of the trabecular meshwork. This blockage prevents the circulation of fluid within the eye, leading to a buildup of intraocular pressure, a condition called glaucoma which affects eye health. It's essential to understand that maintaining a proper fluid circulation in the eye is crucial, as increased intraocular pressure can result in damage to the optic nerve and potential vision loss. Other pressures within the human body include spinal and skull pressures, bladder pressure, and pressures in the skeletal system. In the case of eye pressure and glaucoma, the force calculated as F = hpgA can help understand the physical principles behind the fluid dynamics within the eye.