Introduction Vernal keratoconjunctivitis (VKC) is a recurrent, bilateral allergic inflammation of the conjunctiva. The episodes are often periodic and have seasonal recurrences. Seasonal exacerbations characterize the condition in the initial…
The Van Herrick technique is a quick and easy way to estimate anterior chamber depth, which allows grading of patients according to the likelihood of having primary acute closed-angle glaucoma.…
Congenital cataracts are a lens opacity that is present at birth. Congenital cataracts occur in a broad range of severity. Some lens opacities do not progress and are visually insignificant,…
The frame of glasses typically consists of two main parts: the front frame, which holds the lenses, and the temples (or arms), which extend back over the ears to keep…
Pterygium is a relatively common ocular surface disease. The clinical aspects and the treatment options have been studied since many years ago, but many uncertainties still exist. The core pathologic…
The Potential acuity meter was introduced by Guyton and Minkowski in 1980. It is a small device that mounts on a slit lamp and projects on an image of a…
Mainly before uses the trial lens box & accessories should be know what is the things? how to uses the accessories? How to works? Why uses the accessories. It is…
Ocular rigidity refers to the stiffness or resistance of the eyeball to deformation. It’s a measure of the eye’s ability to maintain its shape when subjected to external forces, such…
Polarized lenses is a optical technology, designed to enhance visual clarity and comfort by reducing glare. These lenses are particularly beneficial for outdoor enthusiasts and drivers, as they reduce the…
Tonometry is a non-invasive procedure that measures the pressure inside the eye. It is used to diagnose and monitor glaucoma, a condition that damages the optic nerve and can lead…