Ophthalmology and Optometry Notes

Retinoscopy Clinical Hints A Retinoscope objectively determines the Sphero-Cylindrical Refractive error and irregular Astigmatism, and also evaluate Opacities and irregularities of the Cornea and Lens.Most Retinoscope today use a Streak…

Many years ago, the London Society for the Prevention of Blindness was established and it began focusing attention on the causes and prevention of blindness at an International Congress of Hygiene in Geneva. In 1908, The National Society…

Introduction Lensmeter, lensometer, focimeter or vertometer. It is a microscope, which is used to measure the back focal length of the lens. The lensmeter is essentially a centred telescopic optical system aligned with a standard optical…

Vision 2020: The Right to Sight is the global initiative for the elimination of avoidable blindness (The blindness which can be either treated or prevented). It is a joint programme of the World Health Organization (WHO) and the…

What is Eclipse?An eclipse is an astronomical event that occurs only when one celestial body’s shadow falls onto that of another. In the context of earth, we use the term solar and lunar eclipse mostly. Eclipse is derived from an ancient…

What is Tonometry Tonometry is the procedure that is performed by eye care professionals to measure the intraocular pressure (IOP), the fluid pressure inside the eye. This procedure is one of the important tests that help in evaluating the…

Carotenoids are pigments that occur naturally in chromoplasts of Plants, Fungi, and some bacteria. Carotenoids (chromoplasts pigment) absorbs light for the photosynthesis and protects the chlorophyll from photodamage.During the ripening of…

Main Cause of Global Blindness: Top Blinding Disease in the World In spite of the progress made in surgical techniques in many countries during the last ten years, cataract remains the leading cause of blindness/visual Impairment in all…

To Prepare Fortified eye drops means to increase the effectiveness of eye drops by additional ingredients. Fortified ophthalmic solutions are commonly used in severe keratitis for better corneal penetrations. These kinds of fortified…

Optic Disc Changes in Glaucoma : Diagnosing Glaucoma Case Primary open angle glaucoma is a common eye disease characterized by loss of the axons of the retinal ganglion cells leading to progressive loss of vision. The site of damage to…