Let’s give a quick overview before understanding the ultrastructure of extraocular muscles. These muscles of the eye help us attain binocular single vision and stereopsis of the image. Both the eyes have them and they work in synchronization with each other. They maintain the visual targets. It is an art to use both eyes at…
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…
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…
Accommodative esotropia is the phenomenon of over convergence in response to neurologic stimulus that demands accommodation to see clearly at distance, intermediate and near point. Linkage of accommodation and convergence We can induce convergence without stimulating accommodation with the help of base out prisms; but we need to stimulate convergence before stimulating accommodation. The accommodation…
Eye allergies and infections is a condition of invasion of microbes which interfere with the normal functioning of eye. The symptoms include foreign body sensation, photophobia, itching, redness and lacrimation and pain in the associated area. The diseases and allergies of cornea, conjunctiva, eyelid and sclera can be the result of bacterial, viral, fungal, protozoa…
Cataract is the acquired or congenital opacification of the lens of the human eye. The lens is the refractive organ of the eye which plays major role in directing the upcoming light rays on the retina to form the real image. Avascular nature of lens The transparency of lens is very essential factor for the…
The eye makeup industry is booming immensely. There are uncountable eye brands selling their products by claiming them skin friendly. The eyes for sure imprint an impression whenever we have a first meet and greet with a person. Burt’s Bees is a cosmetic brand which provides natural resources derived products. A responsible brand Burt’s Bees…
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