what are blebs in the eye?
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Photograph of the area of trabeculectomy glaucoma surgery called the bleb (arrow). This is where fluid from inside the eye slowly comes out to keep the eye pressure lower. Most blebs are smaller than this example, which is shown so that the bleb can be more easily appreciated in a picture.
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The blue ring around your iris is most likely a corneal arcus—a cholesterol deposit in the eye. The ring, which can also appear gray or white, appears to surround the iris of your eye but is actually located within the cornea—the transparent outer layer of your eye.
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A sty is a red, painful lump near the edge of your eyelid that may look like a boil or a pimple. Sties are often filled with pus. A sty usually forms on the outside of your eyelid, but sometimes it can form on the inner part of your eyelid.
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Pinguecula. A pinguecula is a benign whitish or yellowish spot or bump on the conjunctiva in the inner or outer corner of the eye. It can be small or large, flat or elevated, and does not grow onto the cornea.
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Styes. A stye is the most common type of eyelid bump. Styes occur when bacteria get into the oil glands in the eyelids. A stye is a round, red bump that appears close to your eyelashes.
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Meibomian cysts or milia? A Meibomian cyst is a hard, round lump that develops within the upper or lower eyelid from a blocked Meibomian gland. Milia are tiny white bumps that form on the skin's surface, often around the eyes, when dead skin cells become trapped in a sweat gland or hair follicle.
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What is chlamydial conjunctivitis? Conjunctivitis is redness and swelling of the clear membrane that lines the inside of your eyelids and covers the white of your eye. This membrane is called the conjunctiva. Chlamydia is a type of bacteria that can cause infections.
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The part of your eyeball directly in front of the retina contains vitreous, a gel-like substance that helps your eye keep its shape. There are also tiny, very thin fibers in the vitreous. When these fibers pull on your retina or the gel rubs against your retina, you may see stars.
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The dots are actually white blood cells moving along the fine blood vessels (capillaries) in front of the retina at the back of the eye. This experience is called the 'blue field entoptic phenomenon' because it's especially noticeable when looking into bright blue light, such as a cloudless sky.
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['shadows, flashes of light, or wiggly lines in your vision.', 'blurred vision.', "a dark patch in your eye that's getting bigger.", 'partial or total loss of vision.', 'bulging of 1 eye.', "a lump on your eyelid or in your eye that's increasing in size.", 'pain in or around your eye, although this is rare.']
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Eye floaters. As you age, the vitreous — a jelly-like material inside your eyes — becomes more liquid. When this happens, microscopic collagen fibers within the vitreous tend to clump together. These bits of debris cast tiny shadows onto your retina, and you perceive these shadows as eye floaters.
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They may look to you like black or gray specks, strings, or cobwebs that drift about when you move your eyes and appear to dart away when you try to look at them directly. Most eye floaters are caused by age-related changes that occur as the jelly-like substance (vitreous) inside your eyes becomes more liquid.
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A benign appearing choroidal nevus (eye freckle). Like a raised freckle on the skin, nevi can also occur inside your eye. The most common “choroidal nevus” or eye nevus are unusual and can only be seen by an eye care specialist. Like a nevus on the skin, a choroidal nevus can grow into a malignant melanoma.
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Red Flag Symptoms “Flashes, Floaters, Curtains” Floaters are dark specks that float around inside the eye and may disrupt the field of vision. They may appear as spots, circles, cobwebs, clouds, or squiggly lines and are often easier to see while looking at a plain background or white computer screen.
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Sclera. The sclera is the part of the eye commonly known as the “white.” It forms the supporting wall of the eyeball, and is continuous with the clear cornea.
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The retinal pigment epithelium (RPE) is a pigmented layer of the retina which can be thicker than normal at birth (congenital) or may thicken later in life. Areas of retinal pigment epithelial (RPE) hypertrophy usually do not cause symptoms. They are typically found during routine eye examinations.
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Floaters are tiny, cloudy spots that seem to drift in and out of your field of vision. They're actually little clumps of vitreous gel floating inside your eye. Sometimes they can be caused by other conditions, including: tears or holes on the retina.