Type of ophthalmic lens and its properties
Type of ophthalmic lens and its properties To get optometry vacancy update join Channel below ◻️ WhatsApp Cha…
Type of ophthalmic lens and its properties To get optometry vacancy update join Channel below ◻️ WhatsApp Cha…
What is anisometropia and its causes? Optometry fans When refractive status of two eyes is equal, it is kno…
Procedure for Distance vision: • Illumination should be adequate ( 100 foot candles) • Customer is asked to…
Optical Media and Indices of Refraction A medium is any material that transmits light. Light travels at diffe…
In this blog we will see about correlation between correction of refractive error as uncorrected undercorrec…
Snell’s Law of Refraction The ratio to the sine of the angle of incidence to the sine of angle of refraction…
Optical aberrations The eye, in common with many optical systems in practical use, is by no means opticall…
Why image jump in bifocal glasses ? When looking from distance portion to the near portion of a bifocal len…
How add the spectacle power ? What is Addition in optometry ? When the patient have distance and near vi…
Laws of refraction Refraction is defined as the change in direction of light when it passes from one transp…
LAWS OF REFLECTION Light travels in straight line until it meets a surface that separates the two media. W…
STENOPAEIC SLIT USED IN OPHTHALMIC PRACTICE Stenopaic slit is an elongated pinhole which is used to allow …
PRISM LENSES IN OPHTHALMIC PRACTICE Prism lenses are triangular or wedge-shaped piece of glass or plastic t…
GRINDING OF LENSES IN OPHTHALMIC PRACTICE It is a procedure by which we convert a slab of glass (blank) into …
Bifocal lenses meaning Bifocal lens means the optical lense contain two power or two power segment with diffe…
PANTOSCOPIC TILT IN OPHTHALMIC PRACTICE It is the angle between the plane of the lens/fra…
Meaning vertex distance This is the distance between the corneal apex and the center of the correcting specta…
What is vertex distance ? vertex distance calculation for contact lens is very important and we may…