Glossary
Presbyopia: Physiological insufficiency of accommodation occurring in middle aged individualsRetina: Light sensitive membrane at the back of the eye
Myopia: Refractive error in which parallel rays of light from infinity are focused in front of the retina when the accommodation is at rest
Hypermetropia: Refractive error in which parallel rays of light from infinity are focused behind the retina when the accommodation is at rest
Accommodation: Increase in the converging power of the lens for seeing clearly at near distances
Astigmatism: Different degrees of refraction in different meridians
Lasik: given in mediindia glossary
Slit lamp: Iluminated biomicroscope which allows focal and slit examination of the eye
