Which part of the eye is damaged by near UV and middle IR radiation?

Study for the Bioenvironmental Engineering (BEE) Block 6 Exam. Utilize flashcards and multiple choice questions, with hints and explanations for each question. Prepare for your exam with confidence!

Multiple Choice

Which part of the eye is damaged by near UV and middle IR radiation?

Explanation:
The lens is the tissue most affected by this combination of wavelengths. Near ultraviolet light is absorbed by the lens, and exposure over time can alter its proteins, leading to clouding known as cataracts. Middle infrared radiation is absorbed as heat by the eye's tissues, including the lens, which can cause thermal damage and similarly promote opacity. While the cornea can suffer UV-related damage (photokeratitis) and the retina can be harmed by very intense light, the scenario described points to changes in the lens due to both UV exposure and IR heating, making the lens the best answer.

The lens is the tissue most affected by this combination of wavelengths. Near ultraviolet light is absorbed by the lens, and exposure over time can alter its proteins, leading to clouding known as cataracts. Middle infrared radiation is absorbed as heat by the eye's tissues, including the lens, which can cause thermal damage and similarly promote opacity. While the cornea can suffer UV-related damage (photokeratitis) and the retina can be harmed by very intense light, the scenario described points to changes in the lens due to both UV exposure and IR heating, making the lens the best answer.

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