Many of us know about common lower-order aberrations such as nearsightedness or farsightedness, but higher-order aberrations are what make up the remaining 15 per cent of total aberrations in the eye and are often little understood.
What are Higher Order Aberrations?
Existing outside the realms of common visual deficiencies such as astigmatism, higher order aberrations are varied and complex in nature, with terms such as coma or trefoil being terms a doctor would use to describe them,
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