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What is Which of the following is not a higher order abberation and explain in detail?
Aberrationscan be defined as the difference in optical path length (OPL) between any ray passing through a point in the pupillary plane and the chief ray passing through the pupil center. Myopia is not a higher order abberation HIGHER ORDER ABBERATIONS DIFFRACTION Bending of Light rays from an edge of the apeure Spherical Abberation Spherical lens refract peripheral rays more strongly than central rays Chromatic Abberations Index of refraction varies with wavelength Red rays focus in back (hyperopic) Blue light is focus in front (myopic) Other type of Higher Order Abberation Decentring Oblique Abberation Coma