Cataract - Glossary

Glossary

Congenital: Present since birth.

Toxoplasmosis: Infection with the parasite Toxoplasma gondii.

Muscular dystrophy: A disease with wasting of muscles and weakness, and in which muscles becomes do not relax after use.

Myopia: Refractive error in which parallel rays of light from infinity are focused in front of the retina when the accommodation is at rest.

Presbyopia: Physiological insufficiency of accommodation occurring in middle aged individuals.

Slit lamp: Iluminated biomicroscope which allows focal and slit examination of the eye.

Astigmatism: Different degrees of refraction in different meridians.

Hypermetropia: Refractive error in which parallel rays of light from infinity are focused behind the retina when the accommodation is at rest.

Macrophages: Large cells that ingest cellular and particulate matter.