Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Difference between aspheric and standard spherical intra ocular lenses regard to subjective and objective parameters analyzed. For some patients a pupil diameter of 6 mm was obtained after instillation of mydriatic eye drops (phenylephrine). Value of the ratio close to 1 describes few aberrations and more image contrast
