While reading this blog, just remember and imagine the most beautiful sight that made you smile. This is enough to tell the importance of vision and ability to see the world. The human species can see the world in its 3-D form and can very well distinguish certain colors falling in certain wavelength. The human…
What are dry eyes? Before addressing dry eyes effect on our daily life, lets go through the tear film layers. The tear film of eyes is composed of three layers: mucous layer, aqueous layer and the outermost is lipid layer. The lipid layer protects the aqueous layer of the tear to get evaporated from the…
The science of vision- How do our eyes work? Let’s make it as simple yet comprehensive as it can be for every little biologist or anybody who gets fascinated by the fact that these tiny yet paramount organs of vision are working and making us see the nature, our friends, the great architects, observe the…
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?…
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…
Scotoma is a visual field defect which results in formation of black spots with no vision. A black spot or blind spot in the center of vision then it is central scotoma. It can be bilateral and unilateral as well. Onset The central scotoma can be unilateral or bilateral. If the scotoma is due to…
In narrow angle glaucoma the natural drainage of the eye suddenly closes potentially causing rapid decrease of vision. The angle between the underside of cornea and top side of iris becomes narrow or closes. In narrow angle or closed angle the angle becomes narrow or sometimes appears to be closed that does not let the…
The word “uvea” is derived from Latin word “uva” which means grapes. If we remove sclera and observe the eye then its choroid appears to be grape shaped structure. Coats of the eyeball The eyeball has three coats: Uveal tract The uvea or uveal tract is the middle layer of the eyeball. It is highly…
Mid Atlantic Retina in Philadelphia is the leading and one of the top world class retina center with best leading team of retina specialists that one can ask for. The reliability of their doctors immensely increases when one get to know that they have been the ophthalmologists for Philadelphia Sixers. Their physicians have been named as…
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