Cornea
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Diagnosis and Treatment of Corneal Ulcers
Corneal ulcers may be caused by infections with bacteria, fungi, viruses, or parasites such as Acanthamoeba (which lives in contaminated water). Ulcers may begin with a corneal injury, such as with severe dry eyes, if a foreign object scratches, penetrates,…
All About Irido-Corneal Endothelial Syndrome
The iridocorneal endothelial (ICE) syndrome is a developmental disorder of the eye characterized by acquired nontraumatic corneal edema, progressive abnormalities of the iris, and elevated intraocular pressure. Three subcategories of ICE syndrome are commonly recognized: essential iris atrophy, the iris…
Effects of Pregnancy on Keratoconus
Keratoconus is a bilateral, noninflammatory, and often asymmetric condition that leads to progressive thinning and steepening of the cornea. This corneal irregularity may lead to blurry and distorted vision. Although the exact cause of keratoconus remains unknown, it is thought…
Pterygium Symptoms, Causes, and Surgery
What Is Surfer’s Eye? Pterygium is characterized by a thickening of the conjunctiva tissue that takes on a wing-like or triangular shape and grows from the inner corners of the eye, often extending onto the cornea. Pterygium can either affect…
Eye Infection Treatment with Chloramphenicol Eye Drops- OBN
Durysta (bimatoprost and chloramphenicol) is a prescription medication produced by Allergan that is used to lower intraocular pressure (IOP) in people with open-angle glaucoma or ocular hypertension (high pressure in the eye). It is a combination of two medications: bimatoprost,…
Astigmatism: Causes, Symptoms and Treatment
What Is Astigmatism? Astigmatism is a common refractive error that causes distorted or blurred vision due to the irregular curvature of the cornea or lens in the eye. The cornea, the transparent front part of the eye, and the lens,…
Presbyopia: Causes, Symptoms, Management | OBN
What Is Presbyopia? Presbyopia is a common, age-related vision condition that affects the eye’s ability to focus on near objects. As people age, the lens of the eye becomes less flexible, making it increasingly challenging to adjust focus between objects…
Congenital Plasminogen Deficiency & Blood Ties
Two types of plasminogen deficiency are described in the medical literature. Congenital type 1 plasminogen deficiency is a quantitative disorder with parallel reductions in both the level of immunoreactive and functional plasminogen; type1 plasminogen deficiency is also called hypoplasminogenemia, and…
Dry Eye Disease Treatment With Nasal Spray
In dry eye disease, the loss of tear film homeostasis triggers a vicious cycle that involves inflammation and cellular damage as both sequellae of disease as well as primary components contributing to progression, which in turn leads to further tear…
Advancements in Treatment of Open-Angle Glaucoma
Most people who have open-angle glaucoma feel fine and do not notice a change in their vision at first because the initial loss of vision is of side or peripheral vision, and the visual acuity or sharpness of vision is…