Blogs - Page 20 of 40

MAGNITUDE OF LOW VISION

Post author:Sonal Chaurasia
Post published:September 26, 2022
Post category:Low Vision
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DEFINITION OF LOW VISION (WHO- World Health Organization): A person with low vision is one who has impairment of visual functioning even after treatment of an operation and standard refractive…

Spasm of accommodation

Post author:Arna Mitra
Post published:July 28, 2022
Post category:Clinical Optometry
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Introduction - A spasm of accommodation (also known as a ciliary spasm, an accommodation, or accommodative spasm) is a condition in which the ciliary muscle of the eye remains in…

RETINOSCOPY

Post author:Ritika Das
Post published:July 27, 2022
Post category:Optics & Refraction
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Retinoscopy is also known as skiascopy, shadow test or pupilloscopy or koreoscopy. It was introduced by Bowman in 1859. It is an objective method of finding out the error of…

$Autorefractometry$

Autorefractometry

Post author:Sritama Guchhait
Post published:July 26, 2022
Post category:Optics & Refraction
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What is the meaning of Refractometry ? It is the estimation of refractive error with a machine called refractometer or optometer. Autorefractometry An autorefractor is an alternative method of finding…

MODERN REFRACTOMETERS

Post author:Riju Ghosh
Post published:July 25, 2022
Post category:Optics & Refraction
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With the rapid development in electronics and micro computers a number of innovative methods & instrument for automated clinical refraction have appeared since 1960. Refractometer is used to determine the…

PHYSIOLOGOCAL ASPECT OF ACCOMODATION

Post author:Sonal Chaurasia
Post published:July 24, 2022
Post category:Clinical Optometry
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Physiological accommodation: The accommodation reflex is the visual response for focusing on near objects. It also has the name of accommodation -convergence reflex or the near reflex. It is a…

Management of Asthenopia

Post author:Dwiparna Chatterjee
Post published:July 23, 2022
Post category:Clinical Optometry
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Asthenopia, though annoying, isn’t serious and doesn’t cause permanent vision or eye problems. Limiting screen time, taking breaks, and making a few adjustments to your surroundings and daily habits is…

Causes Of Asthenopia

Post author:Protyasha Pramanik
Post published:July 21, 2022
Post category:Clinical Optometry
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Asthenopia is a term used to describe a sense of strain and weakness or ocular fatigue set up by the use of the eyes (a = not, sthenos = strengh,…

INSUFFICIENCY OF ACCOMMODATION

Post author:RAIMA KHAN
Post published:July 20, 2022
Post category:Clinical Optometry
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The term insufficiency of accommodation is used, when the accommodative power is significantly less than the normal physiological limits for the patient’s age. Therefore, it should not be confused with…

PRESBYOPIA

Post author:Sanglap Ghosh
Post published:July 19, 2022
Post category:Clinical Optometry
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Hey have you ever notice that most of the middle age persons always put a spectacle before going to start any near work like reding, writing etc. If you are…