Aqueous humor drainage pathway
Introduction Aqueous humor is the clear liquid in the posterior and anterior chambers of the eye. It is produced by the ciliary processes, flows through the posterior chamber, then between…
Introduction Aqueous humor is the clear liquid in the posterior and anterior chambers of the eye. It is produced by the ciliary processes, flows through the posterior chamber, then between…
Introduction: The tear film covers the ocular surface and is essential for protecting the eye from the environment, lubricating the ocular surface, maintaining a smooth surface for light refraction, and…
Aphakia is defined as the absence of a natural crystalline lens from the eye, due to any cause. Causes include congenital aphakia, surgical aphakia, traumatic extrusion of the lens, and…
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…
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…
Lensometry is an ophthalmic procedure that helps a clinician to either to assess the: Spherical power. Cylinder power. Cylinder axis. Optical center. Prism reference point. Adds in bi-, tri- and…
In a state of normal binocular single vision, there exists a precise physiological relationship between the corresponding points of the two retina. Thus, the foveae of two eyes act as…
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…
India was the first country in the world to launch the 'National Programme for Control of Blindness (NPCB)' in year 1976 as 100% centrally sponsored programme with the following goals:…
Eye bank is an organization which deals with the collectin, storage and distribution of cornea for the purpose of corneal grifting, research and supply of the eye tissue for other…