相关实验视频

Updated: Jun 20, 2025

Measuring the Behavioral Effects of Intraocular Scatter
05:10

Measuring the Behavioral Effects of Intraocular Scatter

Published on: February 18, 2021

3.4K

模糊对临床和职业彩色视觉测试结果的影响

Leticia Álvaro1, Monika A Formankiewicz2, Sarah J Waugh3

  • 1Departamento Psicología Experimental, Procesos Cognitivos y Logopedia, Universidad Complutense de Madrid, Pozuelo de Alarcón, Spain.

Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists)
|July 20, 2024
PubMed
概括

使用小光圈的彩色视觉测试,如弗莱彻-埃文斯 (CAM) 灯,可能会错误地将正常视力成年人标记为缺陷,特别是模糊. 当视力敏度降低时,更大的刺激测试更可靠.

关键词:
测试CAD测试CAD测试CAD测试CAD测试CAD测试在CCT中,它是最重要的.伊希哈拉测试试验 石原测试彩色视觉测试测试 彩色视觉测试灯测试 灯测试折射模糊是因为折射模糊.没有纠正的折射误差.

更多相关视频

Assessing Binocular Central Visual Field and Binocular Eye Movements in a Dichoptic Viewing Condition07:45

Assessing Binocular Central Visual Field and Binocular Eye Movements in a Dichoptic Viewing Condition

Published on: July 21, 2020

4.4K
Dynamic Visual Tests to Identify and Quantify Visual Damage and Repair Following Demyelination in Optic Neuritis Patients12:23

Dynamic Visual Tests to Identify and Quantify Visual Damage and Repair Following Demyelination in Optic Neuritis Patients

Published on: April 14, 2014

14.1K

相关概念视频

Photoreceptors and Visual Pathways01:22

Photoreceptors and Visual Pathways

At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category,...
6.0K
Focusing of Light in the Eye01:16

Focusing of Light in the Eye

Light rays enter the eye through the cornea, a transparent dome-shaped tissue that is the eye's outermost layer. The cornea bends or refracts, light rays traveling to the pupil. The shape of the cornea determines how much of the light is bent and whether the image will be focused correctly on the retina at the back of the eye. Once the light has passed through both refraction layers, it converges into a single focal point onto a small area. This is where photoreceptors start transforming...
2.7K
Color Vision01:24

Color Vision

Color perception begins in the retina, the light-sensitive layer at the back of the eye. Two main theories explain how colors are seen: the trichromatic theory and the opponent-process theory. The trichromatic theory, proposed by Thomas Young in 1802 and extended by Hermann von Helmholtz in 1852, suggests that color vision is based on three types of cone receptors in the retina. These cones are sensitive to different but overlapping ranges of wavelengths corresponding to red, blue, and green.
553
Blinding01:11

Blinding

Blinding is a commonly used method of not telling participants which treatment a subject is receiving. Blinding is a critical part of a randomized control trial or RCT. It reduces the bias that affects the results. In an RCT, blinding is used in the form of a placebo. A placebo effect occurs when untreated subjects falsely believe they have received the treatment and report improved symptoms. A placebo or a dummy treatment is administered to subjects to negate the bias caused by such an effect.
2.4K