Pthyriasis palpebratum is a medical condition that affects the eyelashes, leading to itching, inflammation, and redness of the eyelid margins. It is caused by infestation with the crab louse, which is a small, parasitic insect that feeds on human blood. Although this condition is relatively rare, it can cause significant discomfort and embarrassment for those…
Read MoreOcular cysticercosis is a parasitic infection that affects the eye. It occurs when the larvae of the pork tapeworm, Taenia solium, infest the eye tissues. It is a rare condition, but it can lead to vision loss if left untreated. Ocular cysticercosis is caused by the ingestion of contaminated food or water. The pork tapeworm…
Read MoreOcular albinism is a rare genetic disorder that affects the eyes and can lead to vision problems. It is caused by a mutation in the genes that are responsible for the production of melanin, the pigment that gives color to the skin, hair, and eyes. While ocular albinism can affect anyone, it is more common…
Read MoreMicrospherophakia is a rare genetic disorder that affects the lens of the eye. It is characterized by abnormally small and spherical lenses, which can cause various vision problems, including nearsightedness, astigmatism, and glaucoma. Microspherophakia is caused by a genetic mutation that affects the development of the lens during embryonic growth. The condition is inherited in…
Read MoreDisciform keratitis is a type of corneal inflammation that affects the endothelial layer of the cornea. It is a rare condition that can cause vision loss if left untreated. This condition is commonly associated with herpes simplex virus (HSV) infection, although other viruses can also cause it. The cornea is the clear front part of…
Read MoreCryopexy is a medical procedure that uses extreme cold to treat certain eye conditions, particularly retinal tears and detachment. It is a minimally invasive procedure that can be performed in an ophthalmologist’s office or clinic. During cryopexy, the ophthalmologist uses a special instrument called a cryoprobe to apply a freezing temperature to the affected area…
Read MoreOcular histoplasmosis is a condition that affects the eyes, specifically the retina, and can cause vision loss or blindness if left untreated. It is caused by a fungal infection called Histoplasma capsulatum, which is found in soil and bird droppings. When the spores of the fungus are inhaled, they can cause an infection in the…
Read MoreOphthalmia neonatorum is an eye infection that affects newborns. It can cause significant damage to the eyes if left untreated, including blindness. The condition is caused by bacteria or viruses that are transmitted from the mother to the baby during delivery. In this article, we will discuss the causes, symptoms, and treatment of ophthalmia neonatorum.…
Read MoreOcular chloroquine toxicity is a rare but serious side effect of long-term use of chloroquine or hydroxychloroquine. These medications are commonly used to treat malaria, rheumatoid arthritis, and lupus. Ocular chloroquine toxicity is caused by the accumulation of chloroquine or hydroxychloroquine in the retina, which is the part of the eye responsible for transmitting visual…
Read MoreMarcus Gunn pupil, also known as the afferent pupillary defect, is a condition that affects the way the pupils of the eyes respond to light. It is a rare condition that is usually discovered during a routine eye examination. Marcus Gunn pupil is named after the Scottish ophthalmologist, Robert Marcus Gunn, who first described the…
Read More