Afferent Pupillary Defect (RAPD)
BASICS DESCRIPTION • Different response of one pupil compared with the contralateral pupil when stimulated by a bright light. It is a sign that can be seen in a large…
Error (Myopia, Hyperopia, Astigmatism)
BASICS DESCRIPTION • Refractive error exists when parallel light rays from a distant object do not come to focus on the retina of an unaccommodating eye. In refractive error the…
Adnexal Lymphoma (OAL)
Ann P. Murchison BASICS DESCRIPTION • Ocular adnexal lymphoproliferative disease (OALD) represents an amalgam of monoclonal and polyclonal lymphocytic proliferations that involve the ocular adnexa (the eyelids, orbit, conjunctiva, and…
Eye in Children
BASICS DESCRIPTION The appearance of redness on the surface of the eye resulting from enlargement and dilation or leakage of the blood vessels of the conjunctiva or episclera EPIDEMIOLOGY Prevalence…