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The Evolution of Intraocular Lenses
Cataract is the most prevalent ophthalmic disease. Treatment of cataracts has been practiced for centuries using various surgical and nonsurgical procedures. However, avoidance of complications and attainment of high-quality postoperative visual rehabilitation were difficult in the years before the introduction…
Persistent Pupillary Membrane: Causes, Symptoms and Treatment
What is Persistent Pupillary Membrane? Persistent Pupillary Membrane (PPM) is a congenital eye condition that occurs when remnants of a fetal membrane persist in the eye beyond the usual developmental stage. During fetal development, the pupillary membrane is a normal…
Managing Glaucoma with Goniosynechialysis | OBN
What is Goniosynechialysis? Goniosynechialysis, abbreviated as GSL, is a surgical procedure used in the management of angle-closure glaucoma. This procedure involves the careful separation of abnormal adhesions or synechiae that have formed between the iris and the trabecular meshwork, which…
Sightsavers’ Eye Health Project Transforms Lives
A health project in the Morogoro and Singida regions has revealed a glimmer of hope in averting a potential national eye health crisis in Tanzania. In 2022, an estimated 8.2 million people in the country were grappling with vision loss,…
How to Deal with the Epithelial Herpetic Keratitis
Trifluridine eye drop, acyclovir (ACV) ointment, ganciclovir gel, and oral ACV are still the main therapeutic agents. Cryopreserved amniotic membrane has been recently used as an adjuvant treatment. Resistance to ACV has become a concerning issue. The animal models of…
Retinal Vasculitis: Causes, Symptoms and Management
Retinal vasculitis is an inflammatory condition affecting the blood vessels of the retina. This inflammation can disrupt the normal blood flow, leading to complications that may compromise visual function. Pathophysiology In retinal vasculitis, inflammatory cells such as neutrophils, macrophages, and…
What Is Doll’s Eye Reflex?
The Doll’s Eye Reflex, also known as oculocephalic reflex or vestibulo-ocular reflex, is a crucial neurological assessment tool used to evaluate brainstem function and integrity. This reflex involves the movement of the eyes in the opposite direction of head movement…
White Dot Syndrome: Causes, Symptoms, Treatment
White dot syndrome refers to a group of eye disorders characterized by the presence of white or yellowish lesions on the retina, a sensitive tissue at the back of the eye responsible for vision. These syndromes are significant in eye…
How to Manage Cotton Wool Spots on the Retina
What Are Cotton Wool Spots? Cotton Wool Spots (CWS) are small, white or grayish lesions on the retina—the layer of cells at the back of the eye responsible for converting light into neural signals. These spots signify local ischemia, where…
What is Vitrectomy Surgery for Floaters?
Eye floaters are small, shadowy shapes that drift across your field of vision. While typically benign, they can be bothersome and impact visual clarity. Floaters result from changes in the vitreous humor, the gel-like substance filling the eye’s interior. For…