When a Human Eye That Has a Power of +60

question 92

Multiple Choice

When a human eye that has a power of +60 D is fitted with a contact lens of -10 D,the equivalent lens combination is

• A)diverging and of focal length 2 cm.
• B)converging and of focal length 50 cm.
• C)converging and of focal length 2 cm.
• D)focal length 0.02 cm.
• E)focal length 0.2 cm.

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Definitions:

Dim Light

A low level of illumination, often creating a subdued or intimate atmosphere, but may be insufficient for activities requiring detailed vision.

Volley Principle

A theory explaining how auditory neurons can produce the perception of sound frequencies higher than their individual firing rates through coordinated action.

Low Frequencies

Refers to sound waves with a frequency below about 200 Hz, often associated with bass sounds in music and acoustics.

Optic Disc

The optic disc is the point on the retina where the optic nerve fibers exit the eye, often referred to as the blind spot since it lacks photoreceptor cells.