What is astigmatism? Astigmatism is a vision problem that results due to abnormal curvature of the eye's cornea or lens. Astigmatism is a type of vision problem due to imperfection in the curvature of the eye's cornea or lens. Hence, the cornea is unable to evenly focus light on the retina (the inner light-sensitive layer of...
Eye infection Yellow discharge from the eyes is your body trying to fight an infections. This may be caused by chemicals in your eyes, extended contact lense use, irritant in your eye, fungi, parasites and amoebas. Your eyes, like every other organ in your body, can become infected by bacteria, fungus, or viruses. When an...
Face blindness is also called prosopagnosia. Face blindness is also called prosopagnosia. It is a brain disorder that is characterized by the inability to recognize or differentiate between faces of people. The severity of this condition varies; some may have difficulty differentiating between faces of strangers or newly acquainted people, whereas others may struggle with...
A 3-snip procedure is one of the techniques to treat watery eyes or excessive tears in the eye. A 3-snip procedure is one of the techniques to treat watery eyes or excessive tears in the eye. This procedure is performed to widen the tear duct and improve the drainage of tears in the patient suffering...
Pneumatic retinopexy is one of the surgical treatments to repair a detached retina and restore vision. Pneumatic retinopexy is one of the surgical treatments to repair a detached retina and restore vision. The procedure is usually done by injecting a gas bubble into the eye. A pneumatic retinopexy is usually done on an outpatient basis...
Who is an optometrist? An optometrist is a health professional who does primary health care for the eye. An optometrist is a health professional who does primary health care for the eye. Optometrists examine the eyes to diagnose any problems in vision and prescribe corrective lenses for them. Optometrists have done a four-year professional program...
What are the characteristics of swollen eyelids? Patients generally present with a swollen eyelid due to allergy, infection, fluid accumulation, or sometimes severe eye injuries. Individuals with swollen eyelids may also have puffy eyes, abnormal redness, and swelling of the eye and eyelids. If the patient has an infection, they might also present with fever....
What is the retina? Symptoms of a damaged retina are dim vision, blurring of vision, flashes of light, and more. The retina is the innermost layer in the back of the eye and is the portion of the eye that receives light. It contains nerves and light-sensitive cells called rods and cones. Rods are responsible...
The visual field is the entire area one can see. Visual field testing (VFT) is a group of sophisticated and automated tests that measures both the central peripheral (side) vision of an individual. The visual field is the entire area one can see. Changes in the visual field may be difficult to notice since both...
How successful are injections for wet macular degeneration? Wet macular degeneration is an age-related disease. Clinical studies have documented a definite success of intraocular (into the eye) injections for wet macular degeneration. After one year of intraocular therapy, the vision improved by about 25-34% compared with 5% in those who did not choose intraocular injections....