The normal human eye has maximum visual acuity with a pupil

Reference no: EM13615391

The normal human eye has maximum visual acuity with a pupil size of about 3 mm. For larger pupils, acuity decreases due to increasing aberrations; for smaller pupils, acuity decreases due to increasing effects of diffraction. If your pupil diameter is 2.0 mm, as it would be in fairly bright light, what is the smallest diameter circle that you can barely see as a circle, rather than just a dot, if the circle is at your near point, 26 cm from your eye? (Assume the light's wavelength in air is 591 nm and the index of refraction inside the eye is 1.33.)

Reference no: EM13615391

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