SEEING BLACK SPOTS IN VISION The appearance of black spots or dark areas in the visual field is one of the symptoms that most worries patients when they suffer from this disease. However, not all spots have the same meaning. The key to differentiating them lies essentially in determining the location of the spots…
Eyes Diseases
Keratoconus is an eye disease in which the central or surrounding cornea gradually becomes thinner. The cornea is one of the eyeball parts that interfers directly on the vision. Light enters the eye through the cornea and focuses the light rays so that we can see clearly. The uniformity of the cornea changes to a…
Diabetic retinopathy is an eye disease caused by diabetes. Damaged blood vessels and abnormal new blood vessels can cause blindness. This disease occurs because high sugar levels damage the blood vessels in the retina. These blood clots can swell and leak. They can also seal and prevent bleeding. Sometimes, new abnormal blood vessels develop. All…
Many times, we wake up with an eye pain and redness that causes discomfort throughout the day. The stye is a very common condition and although it causes pain and can be annoying, it is not a very serious disease and has a good prognosis. WHAT IS A STYE? A stye is a lesion in…
Sometimes it may happen that we go to sleep and in the morning when we get up we notice that there is a little pain in one eye or that it is difficult to open the eyes due to a foreign body that we notice in the eye. The chalazion is an inflammation of a…
G laucoma is a disease that irreversibly damages the optic nerve. The optic nerve communicates the eye with the brain, so it is a fundamental part in order to transmit visual information through nerve fibers to the brain. The optic nerve is damaged when the intraocular pressure of the eye is unstable. It is believed…
Dry eye syndrome is a disease of the ocular system that affects the entire anterior layer of the eye causing dryness and irritation. It is an eye problem caused by poor tear production in the eye. The glands that are responsible for generating tears to moisturize the front of the eye do not function properly.…
Allergic conjunctivitis is a very common disease. In the eyeball, there is a thin and transparent membrane that covers the sclera (the white part of the eye) and the inner side of the eyelids called conjunctiva. Allergic conjunctivitis is the abnormal reaction of this layer that forms the eyeball called conjunctiva. During episodes of conjunctivitis,…
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The ocular cataract is the opacity that forms inside the ocular lens. The crystalline lens is a capsule located inside the eyeball and is responsible for forming the image on the retina. The light coming from the outside is refracted through the structures that form the eyeball to finally reach the retina and produce the…