Basic embryology of the Cornea
Cornea is a transparent, avascular, aspheric structure of the eye-ball.It is centrally steep and peripherally flat.It consists of 1/6th of the fibrous coat of the eyeball. Some amount of vascularization…
EYE SUPPRESSION
Suppression is derived from the latin word “supressus” which is the perfect passive participle of “supprimo”, meaning to “press down”, “press under” or “hold back”. Suppression of an eye is a subconscious adaptation…
Gross anatomy of the Extraocular Muscles
The extraocular muscles are a group of six muscles located around the eye, working in perfect harmony to control its movement. These muscles are named based on their location and…
SCHEMATIC EYE
Schematic eye is a model that represents the optical features of the eye. DEFINITION: The construction of the image by ray diagram is not possible by the actual dynamic process,…
ROUTE OF DRUG ADMINISTRATION
A medication administration route is often classified by the location at which the drug is administered, such as oral or intravenous. The choice of routes in which the medication is…
CATARACT IN CHILDREN ( congenital cataract)
Everybody knows about cataract .And most of the people think that cataract happen only to aged people . But it is not true nowadays. Cataracts can be seen in the…
Seeing in High Definition: The Marvels of Contrast Sensitivity
Contrast sensitivity is a critical aspect of visual function that is often overlooked compared to other visual parameters, such as visual acuity. However, it plays a vital role in our…
Retinoscopy
In the world of optometry, retinoscopy plays a vital role in assessing a patient's refractive error. It is a valuable technique used by eye care professionals to determine the correct…
Mebomian gland
The meibomian glands are specialized sebaceous glands located within the eyelids. The eyelids are thin curtains of skin, muscles, fibrous tissue and mucous membrane. Eyelids are divided into two parts…
The eye and the UV rays
In our daily lives, we often take our eyes for granted, unaware of the hidden dangers that surround us. One such threat is the presence of ultraviolet (UV) rays,…
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