Glossary
Lymph vessels: Tubes that transport tissue fluid from organs to lymph nodes.Lymph nodes: Lymph nodes are small organs responsible for functioning of the immune system
Opacification: Process by which a structure becomes opaque
Astigmatism: Refractive error in which different degrees of refraction occur in different meridians
Glaucoma: A group of disorders that have in common a specific pattern of optic nerve involvement with specific visual field changes, and which are most commonly due to a rise in intraocular pressure occurring as a result of a variety of causes