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Convergence Insufficiency

Convergence Insufficiency

Convergence insufficiency is the inability to obtain WW1 for any length of time without undue effort. It is the most common cause of ocular asthenopic

Episcleritis, Inflamation of Episclera

Episcleritis refers to inflammation of episclera, which is a clear layer on top of the…


Pinguecula Pinguecula is an extremely common degenerative condition of the conjunctiva. It occurs by formation…

What is Pterygium?

Pterygium IntroductionEtiologyPathologyDemographySymptomsSignsTypes ComplicationsDifferential DiagnosisDifferences between Pterygium and PseudopterygiumTreatmentSurgical Treatment Pterygium is a wing-shaped fold of…

Simple Allergic Conjunctivitis

It is characterized by itching,hyperamia,and mild papillary response. EtiologyIt occurs due to subsiquent mast cell…

Font Size and Viewing Distance of Handheld Smart Phones

Abstract Purpose.  The use of handheld smart phones for written communication is becoming ubiquitous in modern society. The relatively small screens found in these devices