Which Region of the Ultraviolet Spectrum Is Absorbed Least by the Atmosphere

question 7

Multiple Choice

Which region of the ultraviolet spectrum is absorbed least by the atmosphere?

• A)UV-A
• B)UV-B
• C)UV-C
• D)They are all absorbed approximately equally

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Definitions:

Strabismus

A condition where the eyes do not properly align with each other when looking at an object, leading to vision issues.

Corneal Light Reflex

A clinical test assessing the alignment of the eyes by shining a light towards the eyes and observing the reflection off the corneal surfaces.

Snellen Eye Chart

A chart used to measure visual acuity, featuring rows of letters that decrease in size for the person to read from a specific distance.

Confrontation Test

A simple eye examination technique used to assess the extent of the peripheral visual field.