Related Experiment Video

Updated: Aug 11, 2026

Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients
07:06

Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients

Published on: March 29, 2022

Critical base curve and diameter interval in the fitting of spherical soft contact lenses

G E Lowther, A Tomlinson

    American Journal of Optometry and Physiological Optics
    |May 1, 1981
    PubMed

    More Related Videos

    Subjective Refraction Test Using a Smartphone for Vision Screening05:36

    Subjective Refraction Test Using a Smartphone for Vision Screening

    Published on: October 18, 2024

    Comparison of Agreement and Accuracy using Binocular Wavefront Optometer with Autorefractor and Phoropter05:14

    Comparison of Agreement and Accuracy using Binocular Wavefront Optometer with Autorefractor and Phoropter

    Published on: September 16, 2025

    Related Concept Videos

    Radius of Gyration of an Area01:12

    Radius of Gyration of an Area

    The second moment of area, also known as the moment of inertia of area, is a crucial factor in understanding an object's resistance against bending deformation, or stiffness. To accurately estimate the second moment of area along any axis, one needs to concentrate all areas associated with that object into a thin strip, which should be placed parallel to that particular axis.
    Contact Angle01:13

    Contact Angle

    When a solid is dipped inside a liquid, the liquid surface becomes curved near the contact. For some solid–liquid interfaces, the liquid is pulled up along the solid, while for others, the liquid surface is convex or depressed near the solid surface. This phenomenon can be explained using the concept of cohesive and adhesive forces.
    The adhesive force is the molecular force between molecules of different materials, that is, between the molecules of the solid and the liquid. The cohesive force...
    Design Example: Calculating Safe Diameter for Wind-Exposed Disc01:17

    Design Example: Calculating Safe Diameter for Wind-Exposed Disc

    Assessing safety in wind-exposed installations is crucial to preventing potential failures. This example explores the calculation and design adjustments needed to mount a circular disc on a building facade, where wind forces are a primary concern. A 4-meter diameter disc was initially designed as an aesthetic feature facing winds at a velocity of 25 meters per second, with an air density of 1.25 kilograms per cubic meter. Given these conditions, the drag force on the disc was determined using...
    Degree of Curvature and Radius of Curvature01:19

    Degree of Curvature and Radius of Curvature

    The degree of curvature and the radius of curvature are fundamental concepts in determining the sharpness or smoothness of a curve. The degree of curvature is a measure of how steeply a curve bends and can be determined using the chord basis or the arc basis. In the chord basis method, the degree of curvature is defined as the central angle subtended by a chord of 30.48 meters, helping in the calculation of the radius of the curve. The arc basis method defines the degree of curvature as the...