Refraction through spherical lenses
Lens: A piece of transparent material (such as glass) whose two opposite regular surfaces are either curved or one is curved and the other is flat and which is used…
Influence of optical aberration on visual acuity
Introduction: Aberrations are optical imperfections that causes light rays to deviate from their intended path leading to blurry or distorted images. They are of two types: Spherical aberration: Spherical…
Scleral Lenses
History- A scleral lens is a prototypical lens dating back to the early 1880s. Originally these lenses were designed by using a substance to take a mold of the eye.…
Neuro-Optometry: Vision Rehabilitation for Traumatic Brain Injury
Introduction Vision, as a multifaceted processing system, extends beyond mere visual acuity. A structured approach to evaluating and addressing visual deficits is essential for effective treatment. Such a systematic methodology…
THE EFFECTS OF PROLONGED SCREEN TIME ON VISION AND TIPS FOR PROTECTION
Introduction: In our digital age, screens are an integral part of our daily lives. Whether it's for work, entertainment, or socializing, many of us spend hours staring at our devices.…
Convergence Insufficiency: A Comprehensive Overview
Introduction Convergence insufficiency (CI) is one of the most prevalent non-strabismic binocular vision disorders. It affects the ability to maintain proper eye alignment for near tasks, such as reading or…
The Potential of Stem Cell Therapy in Corneal Regeneration: A New Frontier in Eye Care
Cornea The human cornea, a transparent and delicate tissue, plays a crucial role in our ability to see the world around us. As the outermost layer of the eye, it…
Pathophysiology of Refractive Errors: Understanding Visual Abnormalities
Refractive errors are among the most common visual problems affecting individuals across all age groups. These errors occur when the eye’s optical system fails to focus light precisely on the…
Schoolboy seriosly looking
Early Diagnosis of Autism And ADHD
The Importance of Early Diagnosis of Autism And ADHD: A Guide for Parents and Caregivers Introduction Autism spectrum disorder (ASD) and Attention-Deficit/Hyperactivity Disorder (ADHD) are two neurodevelopmental conditions that can…
How myopia leads to retinal complications
Introduction: High myopia is very common and one of the major causes of social blindness, especially in East Asian countries. It is characterized by axial length elongation, and induces various…
VISION ASSESSMENT FOR PAEDIATRIC
VISION ASSESSMENT FOR PAEDIATRIC Visual acuity :- It is the ability or power of the eye by which objects are distinguished one from the other. It also measures the smallest…
- 1
- 2
- 3
- 4
- …
- 35
- Go to the next page