Myopia vs hyperopia is a number of differences that differentiate both of the refractive errors in a prominent way. Their differences are given below: Definitions and power in myopia vs hyperopia The type of refractive error in which the image forms in front of retina is myopia. The overall power of the eye increases in…
Dynamic retinoscopy is a method to check the accommodation effectiveness in the eyes of patient while he is given a near target. The purpose of dynamic retinoscopy is to check the accommodation facility of the patient. It is performed after the patient is done with subjective retinoscopy. When the method of subjective retinoscopy is completed?…
Contact lenses have become a global thing. Their industries are also booming. According to a report there are over 140 million people around the world who wear contact lenses. The question is why do we need to wear contact lenses? Are they better for our eyes? Do they treat our vision? Toric lenses for astigmatism…
Why we get with and against reflex movements in retinoscopy? Wither of this scenario depicts the ametropic conditions of the eye which are needed to be given right prescription for the refraction. What is a Retinoscope? Retinoscope is an instrument which is useful for the objective refraction of the patient. This instrument helps in determining…
Can myopia cause cataract and glaucoma? What is myopia in simple words? Myopia is a refractive error in which the overall power of eye is greater than the emmetropic eye. The image of object does not fall on the retina but is formed in front of the eye. The patients complain about not seeing clearly…
Hypermetropia Hypermetropia or hyperopia is the type of refractive error in which the image of the object is formed behind the retina. It is also known as farsightedness. The people who have hyperopia cannot see distant objects if their accommodation is at rest. However they can see far if their lenses accommodate to make the…
Chart test One of the most common in practice astigmatism test is the one in which patient is given a chart with radiating lines of equal length in a hemisphere as given below in the picture. Now close one of your eyes and focus on the lines on the chart. If the lines in any…
Degenerative myopia is also known as pathological myopia. Myopia is one of the refractive errors of eye. There are four types of refractive errors which interfere with our normal vision. These are hyperopia, astigmatism, presbyopia and myopia. Degenerative myopia is the type of myopia or nearsightedness. It is also known as progressive pathological myopia. These…
How much time does it take for strabismus surgery recovery? One of the first questions arises in the minds of adults when they come to know that they will undergo strabismus surgery. It is good to know that the patients are even discharged on the same day and the surgery takes time between one to…
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