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Von Hippel–Lindau (VHL) syndrome is an inherited condition that raises the lifetime risk of developing multiple tumors and cysts in different organs. These growths often include...
A vortex vein varix is a localized?, balloon-like widening of a vortex vein, which is one of the large choroidal drainage veins inside the eye. The...
A Vossius ring is a round, brown-black circle that appears on the front surface of the eye’s natural lens (the anterior lens capsule) after blunt trauma...
Wagner syndrome is a rare, inherited eye condition that mainly affects the vitreous (the clear gel that fills the eye) and the retina (the light-sensitive layer...
Waldenström macroglobulinemia is a rare type of slow-growing blood cancer. It starts in B-lymphocytes (a type of white blood cell) inside the bone marrow. These B-cells...
Waldenström Macroglobulinemia (WM) is a rare cancer of B-cells (a type of white blood cell). These cancer cells live mainly in the bone marrow and make...
Wallenberg syndrome happens when the side (lateral) part of the medulla—a small but vital area at the bottom of the brainstem—loses its blood supply, most often...
Weill-Marchesani Syndrome (WMS) is a rare, inherited connective-tissue condition that affects the eyes, the skeleton (bones and joints), and sometimes the heart. In everyday terms, people...
Wernicke Encephalopathy (WE) is a sudden brain disorder caused by a lack of vitamin B1 (thiamine). Thiamine is a small nutrient your body cannot store in...
A Wessely Immune Ring is a thin, gray-white ring that appears inside the clear part of the eye (the cornea). The ring sits within the corneal...
West African Crystalline Maculopathy is an eye condition where tiny, shiny, yellow-green crystals collect in the very center of the retina (the fovea, the part that...
West African Crystalline Retinopathy is a rare eye condition seen mostly in people of West African origin. Doctors see tiny, shiny, yellow-green “crystals” clustered at the...
