Radial keratotomy (RK) is a type of eye surgery that is used to correct nearsightedness and was developed in 1974 by a Russian ophthalmologist, Svyatoslav Fyodorov. In the 1980s and early 1990s, radial keratotomy was a popular refractive surgical procedure that served to correct nearsightedness. In total, several hundred thousand procedures were performed worldwide to […]
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Photorefractive keratectomy or PRK eye surgery is a type of laser vision correction in which a surgeon removes the surface layer of the cornea with a laser and reshapes it to correct any refractive errors. For people with a thinner cornea, PRK is a recommended alternative since these people are at risk to create the
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Night blindness or nyctalopia is the common name for a symptom of an underlying disease usually characterized by difficulty seeing in dark environments or at night. It means you are not able to see as well at night, not it means you are blind altogether. Night blindness can be caused by many different factors and
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Corneal collagen cross-linking eye surgery is the new treatment for people with keratoconus. When nothing else was able to stop this corneal disease from getting worse, cross-linking eye surgery provides hope for patients with keratoconus. Corneal collagen cross-linking is a surgical procedure that strengthens the cornea. The process involves inserting riboflavin drops into the eye
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Why does my eyelid keep twitching? What causes eyelid twitching? Is there any treatment to stop twitching eyelids? Keep on reading to find out answers to these questions related to eyelid spasms. An eyelid twitch is a general term for the muscle spasms that happen, usually without the control of the person. Either upper or
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What are night vision glasses for driving and how effective they are? During the day, drivers can easily find their way and eliminate the risk of accidents. But at night, not only do they have to contend with reduced visibility, but also increased glare from oncoming traffic. If you’re struggling to see, then it’s hard
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The area under your eyes may look sunken when you have hollow under your eyes. These hollows form in the soft spot under your lower eyelid, which is also where creases develop as you age, are known as sunken eyes. Under-eye hollows can make the space under your eyes seem darker, too, and often accompany
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Today’s topic is all about the macula lutea of the eye, its anatomy, function, and various problematic conditions. So, stay connected. What is the Macula Lutea of the Eye? The macula lutea is an oval-shaped, pigmented, light-sensitive area near the center of the retina in the posterior pole of the eyeball. It is one of
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Today’s topic is all about vitreous humor or vitreous body, its anatomy, function, and various problematic conditions. So, stay connected. Do you know? The vitreous body of the normal eye weighs approx. 4 g and occupies a volume of 4 ml. What is Vitreous Humor of the Eye? The vitreous humor (also known as the
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Today’s topic is all about the accommodation of the eye, its definition, mechanism, and several anomalies of accommodation of the eye. So, stay connected. Definition of Accommodation of Eye Accommodation of the human eye is the process of adjusting the lens to focus on objects at various distances, thereby allowing clear vision. The process can
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