Related Experiment Video

Updated: Jan 25, 2026

Multifocal Electroretinograms
16:49

Multifocal Electroretinograms

Published on: December 4, 2011

18.9K

Optical evaluation of new-design multifocal IOLs with extended depth of focus

Eva Philippaki, Laure Gobin, Jaini Mandoda

    Journal of the Optical Society of America. A, Optics, Image Science, and Vision
    |May 3, 2019
    PubMed

    More Related Videos

    An Assessment Method and Toolkit to Evaluate Keyboard Design on Smartphones05:42

    An Assessment Method and Toolkit to Evaluate Keyboard Design on Smartphones

    Published on: October 5, 2020

    3.7K
    Design and Fabrication of an Optical Fiber Made of Water08:06

    Design and Fabrication of an Optical Fiber Made of Water

    Published on: November 8, 2018

    8.6K

    Related Concept Videos

    Uniform Depth Channel Flow01:27

    Uniform Depth Channel Flow

    Uniform depth channel flow keeps fluid depth consistent along channels such as irrigation canals. In natural channels, such as rivers, approximate uniform flow is often assumed. This condition occurs when the channel’s bottom slope matches the energy slope, balancing potential energy lost from gravity with head loss due to shear stress. This balance prevents depth changes along the channel length, resulting in a steady, uniform flow.Uniform flow in open channels with a constant cross-section...
    547
    Group Design02:01

    Group Design

    The most basic experimental design involves two groups: the experimental group and the control group. The two groups are designed to be the same except for one difference— experimental manipulation. The experimental group gets the experimental manipulation—that is, the treatment or variable being tested—and the control group does not. Since experimental manipulation is the only difference between the experimental and control groups, we can be sure that any differences between...
    10.3K
    Depth Perception and Spatial Vision01:15

    Depth Perception and Spatial Vision

    Depth perception is the ability to perceive objects three-dimensionally. It relies on two types of cues: binocular and monocular. Binocular cues depend on the combination of images from both eyes and how the eyes work together. Since the eyes are in slightly different positions, each eye captures a slightly different image. This disparity between images, known as binocular disparity, helps the brain interpret depth. When the brain compares these images, it determines the distance to an object.
    1.9K
    Uniform Depth Channel Flow: Problem Solving01:18

    Uniform Depth Channel Flow: Problem Solving

    To calculate the flow rate for a trapezoidal channel, first, identify the bottom width, side slope, and flow depth of the channel. The cross-sectional area (A) corresponding to the depth of flow (y), channel bottom width (B), and side slope (θ) is determined by:Next, calculate the wetted perimeter, which includes the bottom width and the sloped side lengths in contact with the water. Using the values of the cross-sectional area and the wetted perimeter, determine the hydraulic radius by...
    467
    Factorial Design02:01

    Factorial Design

    Factorial Analysis is an experimental design that applies Analysis of Variance (ANOVA) statistical procedures to examine a change in a dependent variable due to more than one independent variable, also known as factors. Changes in worker productivity can be reasoned, for example, to be influenced by salary and other conditions, such as skill level. One way to test this hypothesis is by categorizing salary into three levels (low, moderate, and high) and skills sets into two levels (entry level...
    13.7K
    Assessment of Ventilation II: Respiratory Depth and Rhythm01:29

    Assessment of Ventilation II: Respiratory Depth and Rhythm

    Respiratory Depth
    Respiratory depth measures the volume of air inhaled or exhaled during a breath. It can vary from shallow to deep and typically remains consistent when a person is at rest or asleep. Occasionally, individuals will automatically inhale deeply, known as sighing, which inflates the lungs with more air than normal breathing.
    To assess respiratory depth, observe the degree of chest excursion or movement:
    2.5K