When the cornea and eye lens have focal lengths of 2.3 and 6.4 cm, respectively. The net focal length will be 1.69 cm.
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The cornea and eye lens have focal lengths of 2.3 cm and 6.4 cm, respectively. Find the net focal length and optical power of the eye.
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Using your answers from the previous question, and given that the cornea in a typical human eye has a fixed focal length of $2.33 \mathrm{~cm},$ what range of focal lengths does the lens in a typical eye have?
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