As People Age,they Often Have Trouble Seeing near Objects

question 2

Multiple Choice

As people age,they often have trouble seeing near objects.This farsightedness is treated by

• A)radial keratotomy.
• B)an unevenly ground lens to compensate for an uneven cornea.
• C)cataract surgery.
• D)wearing concave lenses to refocus the image on the retina.
• E)wearing convex lenses to refocus the image on the retina.

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Definitions:

Environmental Change

Refers to any significant alteration in the measures and patterns of climate, land, water, air, and ecosystems over time, whether due to natural processes or human activities.

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Practices or beliefs mistakenly regarded as being based on scientific method.

Testable Explanation

A theory that can be validated or disproven through experimental or observational methods.

Hypothesis

A proposed explanation for a phenomenon, serving as the starting point for further investigation through experimentation and observation.