OKN DRUM TEST AND IT’S CLINICAL IMPORTANCE
OKN Drum has been proposed as a method of measuring visual acuity in Neonates upto 3 months. OKN is stand for optokinetic nystagmus is an innate and complex ocular motor…
OKN Drum has been proposed as a method of measuring visual acuity in Neonates upto 3 months. OKN is stand for optokinetic nystagmus is an innate and complex ocular motor…
Intraocular menas with in the eyeball. Eye surgery also known as ophthalmic or ocular surgery. Optometrist is a certified health care professional who doing examination of the eyes,retraction,diagnosis for any…
Blindness is a disease in which a person's vision is reduced and he/she can see almost nothing . WHO Definition of blindness - If a person's visual acuity in better…
Low vision is defined simply as the ability to perform important tasks that require vision. Visual acuity is only one measure of visual function. Other measures include visual field ,…
An exam that uses a magnifying lens and a light to check the posterior segment of the eye, including the retina and optic nerve is called Fundus Examination. It is…
contact lenses, or simply contacts, are thin lenses placed directly on the surface of eye. a contact lens is a thin, curved lens placed on the film of tears that…
A blind child is an individual aged <16 years, who has a visual acuity in the better eye of <3/60. Childhood blindness is an important public health problem in developing…
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…
The teaching area should have a table where the instructor sits facing the patient. There should be a mirror, a tray and some lint free tissue papers on this table.…
Mainly two toric lense are popular , soft toric lens and rigid gas permeable lens . Toric RGP lens (Front surface toric Rigid gas permeable lens ) :- These lenses…