Glomerulonephritis, also known as glomerular nephritis, abbreviated GN, is a renal disease characterized by inflammation of the glomeruli, or small […]
A urethral stricture is a narrowing of the urethra[1] caused by injury or disease such as urinary tract infections or
Blindness is the condition of lacking visual perception due to physiological or neurological factors. Various scales have been developed to
Blepharitis (pronounced /bl?f?r?a?t?s/) is an ocular disease characterized by inflammation of the eyelid margins. Blepharitis may cause redness of the
An optical system with astigmatism is one where rays that propagate in two perpendicular planes have different foci. If an
Asthenopia (aesthenopia) or eye strain is an ophthalmological condition that manifests itself through nonspecific symptoms such as fatigue, red eyes,
Amblyopia, otherwise known as lazy eye,[1] is a disorder of the visual system that is characterized by poor or indistinct
Amaurosis (Greek meaning darkening, dark, or obscure) is vision loss or weakness that occurs without an apparent lesion affecting the
Addison’s disease (also known as chronic adrenal insufficiency, hypocortisolism or hypocorticism) is a rare endocrine disorder in which the adrenal
Ascariasis is a human disease caused by the parasitic roundworm Ascaris lumbricoides. Perhaps as many as one quarter of the
