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Auto refractometry

Post author:Sanglap Ghosh
Post published:December 3, 2021
Post category:Clinical Optometry
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In this modern era of science and technology, when everything is controlled by computerized automated machines. Then why refraction is remained from that list although as an Optometrist we will…

Retinoscopy

Post author:Shahana Parveen
Post published:December 2, 2021
Post category:Clinical Optometry
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WHAT IS RETINOSCOPY?Retinoscopy is a technique to objectively determine the refractive error of the eye. (farsighted, nearsighted, astigmatism) and the need for glasses. The test can be quick, easy, reliably…

Application of Polarized light

Post author:Sanglap Ghosh
Post published:November 22, 2021
Post category:Optics & Refraction
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Light is a form of energy or a composed of particles of photons. The photon Particles are actually massless bundles of concentrated electro magnetic energy that are travels in a…

Transmission and Absorption

Post author:Riyanka Mondal
Post published:November 21, 2021
Post category:Optics & Refraction
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The transmission of Light is defined as the moving of the electromagnetic waves through a material. Visible light is the cause we are able to see anything at all. Transmission…

PHOTOELECTRIC EFFECT

Post author:Priti Chandra Halder
Post published:November 20, 2021
Post category:Optics & Refraction
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Photoelectric effect, phenomenon in which electrically charged particles are released from or within a material when it absorbs electromagnetic radiation. The effect is often defined as the ejection of electrons…

Chromatic Abberation

Post author:Md Taj
Post published:November 19, 2021
Post category:Optics & Refraction
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Hii…myself Chitu ,the badass 😎😎creature on earth ,Any doubt ?? That was my fb profile picture …I wanna update this on Insta also . But it seems too ‘colourful’ .…

Specular reflection

Post author:Ritika Das
Post published:November 18, 2021
Post category:Optics & Refraction
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Specular reflection come from latin word “speculum” which means mirror .Reflection of light where the angle of reflected light equals the angle of incident light ,but on opposite side of…

Schematic Aberrations

Post author:Tanushree Morduney
Post published:November 17, 2021
Post category:Optics & Refraction
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An aberration refers to a defect in lens that causes the light to spread and not to converge in the same point to make the image sharp. This may occur…

Oblique aberration

Post author:Aishwarya
Post published:November 16, 2021
Post category:Optics & Refraction
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Aberration Aberration is defined as an optical system performance from the prediction of paraxial optics. In the image formation system, it occurs when light from one point of an object…

CATOPTRIC IMAGES

Post author:Kinshuk Mukherjee
Post published:November 15, 2021
Post category:Optics & Refraction
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EYE AND IT’S REFRACTIVE MEDIAS:- The Eye of a human body acts as an imaginary window from where one can visualise the beauty of this materialistic world. Eye is one…