Ophthalmology and Optometry Notes

External Anatomy of the Eye | Eyes are organs of the visual system. They provide animals with vision, the ability to receive and process visual detail, as well as enabling several photo response functions that are independent of vision.…

Ophthalmology MCQs with Answers 1. Atropine eyedrop is contraindicated in a. Acute iridocyclitis b. Acute congestive glaucoma c. Corneal ulcer d. Malignant glaucoma 2. Differential diagnosis of arcuate scotoma…

Keratometer and Keratometry Readings: All you need to Know while interpreting keratometry readings Keratometer A keratometer, which is also called an ophthalmometer, is an instrument which measures the curvature of the cornea.  It…

Major Ophthalmic lens materials Glass Glass has historically been the material of choice for ophthalmic lenses. Glass is most stable, scratch-resistant, and provides the best optical quality of all lens materials. However, since glass…

Introduction of Photochromic/ Changeable/ Transition Lenses The word "photochromic" derives from the two Greek words "photos" and "chroma" which mean Photo = Light Chroma = Colour So it simply means something that changes colour…

What are tinted lenses? The Tinted lens is the colour lenses which we commonly have known as the cosmetic lens. Tints and coating used on spectacle lens serve a fashion purpose can make vision More comfortable, can improve visibility,…

What  is SHAPU Eye Disease? Seasonal hyperacute panuveitis (SHAPU) is a mysterious eye disease seen and reported only in Nepal since 1975. An important cause of unilateral childhood blindness. It is the most devastating intraocular…

Human eye development undergoes dramatic anatomical and physiologic development throughout infancy and early childhood. Let’s have a glance over various parameters: Dimensions of the Eye Most of the growth of the eye takes place…

Methods of evaluating the refractive error 1. Subjective refraction Subjective methods is one of the evaluating method of refractive errror of an eyes where the result depends on the patient’s ability to discern changes in clarity. This…

FLUORESCEIN SODIUM  The dye was first synthesized in 1871 by Adolf von Baeyer, Commonly referred to as fluorescein. The dye is used for fluorescein angiography and staining tear film, conjunctiva and cornea. It is fluorescein sodium…