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Photonics Dictionary

adaptometer

An adaptometer is an instrument used to assess the adaptation of the human eye's sensitivity to changes in ambient light conditions. It typically involves exposing the eye to controlled levels of light and measuring the corresponding responses of the retina and visual system.

Key features and uses of an adaptometer include:

Light adaptation testing: It measures how quickly and effectively the eye adjusts to changes in light intensity, assessing both light and dark adaptation capabilities.

Clinical applications: Adaptometers are used in clinical settings to diagnose conditions affecting light sensitivity, such as night blindness (nyctalopia) or other retinal disorders.

Research tool: In vision science and research, adaptometers help study the physiological and neural mechanisms involved in light adaptation and sensitivity.

Types of adaptometers: There are different types of adaptometers, including stationary devices used in clinical settings and portable versions for field studies or research applications.

Overall, adaptometers play a crucial role in understanding the dynamic responses of the human visual system to varying light conditions, aiding in both clinical diagnosis and scientific exploration of vision and eye health.

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