Ocular itching is a common yet distressing condition that affects individuals of all ages. Characterized by an irresistible urge to rub the eyes, this symptom…
Ocular irritation refers to a condition characterized by discomfort, stinging, itching, or burning sensations in the eyes. Often a symptom of underlying pathology, it may…
Ocular inflammation refers to the immune-mediated or infectious inflammation of any part of the eye. It encompasses a broad spectrum of conditions, ranging from mild…
Ocular hypertension refers to a condition in which the intraocular pressure (IOP) within the eye is consistently higher than the normal range, typically above 21…
Ocular Histoplasmosis Syndrome (OHS), also known as Presumed Ocular Histoplasmosis Syndrome (POHS), is a serious eye condition that can lead to progressive vision loss. It…
Obstructive Sleep Apnea Syndrome (OSA) is a serious sleep-related breathing disorder characterized by repetitive episodes of upper airway obstruction during sleep. These episodes, often associated…
Obstructive pulmonary disease is a chronic respiratory disorder characterized by airflow limitation due to airway obstruction. This limitation is typically progressive and not fully reversible,…
Obstructive hydrocephalus, also known as non-communicating hydrocephalus, is a neurological disorder characterized by a blockage in the normal flow of cerebrospinal fluid (CSF) within the…
Obsessive-compulsive disorder (OCD) is a chronic psychiatric condition characterized by the presence of obsessions—unwanted, intrusive thoughts—and compulsions—repetitive behaviors aimed at reducing distress. These symptoms can…