Pinguecula: What It Is, Symptoms, Causes & Treatment - Cleveland …
Pinguecula is a harmless, yellowish, raised growth on your eyeball. It’s thought to be caused by exposure to sun, wind and dust. Besides the bump, most people don’t have any symptoms with a pinguecula.
Pterygium (Surfer’s Eye): Causes, Symptoms & Treatment
2024年5月28日 · What’s the difference between a pterygium vs. pinguecula? A pinguecula is a different kind of growth on your eye’s conjunctiva. It develops from similar causes — generally, long-term exposure to environmental irritants, especially sunlight.
Conjunctival Cyst: Causes, Symptoms & Treatment - Cleveland Clinic
2022年12月5日 · Pinguecula are raised yellowish or white growths. They stay on your conjunctiva and don’t spread or overlap onto your cornea. They usually don’t cause symptoms or need to be removed.
Neovascularization of the Eye: Types & Treatment - Cleveland Clinic
Neovascularization is a process that can occur in your body when new blood vessels grow. There are many places this can happen in your eye, including the retina and cornea.
Cornea: What It Is, Common Disorders & Preventing Injury
Your corneas are just in front of a fluid-filled chamber of your eye called the anterior (forward) chamber, which contains the aqueous humor.Behind the anterior chamber are your iris and pupil, followed by the lens.Surrounding your cornea is the sclera (the white part of your eye).
Graves’ Disease: What It Is, Causes, Symptoms & Treatment
2022年7月6日 · Gritty, irritated eyes. Swelling of the tissues around your eyes (puffy eyes). Bulging eyes. Light sensitivity. Pressure or pain in your eyes.; Blurred or double vision.; This is called Graves’ ophthalmopathy or orbitopathy or thyroid eye disease.Only about a third of people with Graves’ disease develop this condition.
Aphakia: What It Is, Causes, Symptoms & Treatment - Cleveland …
2022年9月16日 · What is aphakia? Aphakia (pronounced “uh-FAY-kee-uh”) means that you’re missing the lens in your eye. The lens sits behind your pupil and iris, which is the colored part of your eye.Your iris is protected by the clear cornea and …
Color Blindness: Types, Causes & Treatment - Cleveland Clinic
Red-sensing cones (L cones): These cones perceive long wavelengths (around 560 nanometers). Green-sensing cones (M cones): These cones perceive middle wavelengths (around 530 nanometers). Blue-sensing cones (S cones): These cones perceive short wavelengths (around 420 nanometers). Most people have all three types of cones, and these work as they should.
Chemosis: What It Is, Possible Causes & Treatment Options
2024年1月29日 · Chemosis (or conjunctival chemosis) is a blister-like swelling of the conjunctiva, the clear membrane that covers the whites of your eyes. This symptom is most likely to happen with infections, allergies or injuries.
Ocular Rosacea: Symptoms, Causes, Management & Treatment
2024年9月17日 · What causes ocular rosacea? Experts aren’t sure what causes ocular rosacea. Some possible explanations include: A genetic disorder that you’ve inherited from one or both biological parents.; Bacteria (specifically the same Helicobacter pylori bacteria that cause some gastrointestinal diseases).; Environmental irritants (like pollution, exposure to chemicals or …