ABBE fee of crown glass and CR-39 - ANS-fifty eight
adding AR coating to a lens that has been tinted will make the tint apear - ANS-lighter
angle of nostril pad that can be viewed from the pinnacle of the body - ANS-splay angle
anisometropia - ANS-unequal refraction between the 2 eyes
ANSI tolerance for ADD powers - ANS-+/- zero.12 to 0.18
ANSI tolerance for cyl axis with zero.50-1.00 diopters - ANS-+/- five to three
ANSI tolerance for cyl axis with 1.12 and above diopters - ANS-+/- 3 to two
ANSI tolerance for cyl strength - ANS-+/- zero.09 to 0.37
ANSI tolerance for cylinder axis with 0.12-0.37 diopters - ANS-+/- 7
ANSI tolerance for horizontal prism & OC area - ANS-zero.Sixty seven prism diopters total or +/-
2.Five mm from PD precise
ANSI tolerance for sph strength 6.25 to twelve.00 - ANS-+/-0.12 to 0.18
ANSI tolerance for sph strength above 12.00 - ANS-+/- 0.25 to zero.37
ANSI tolerance for sphere energy plano to +/-6.00 - ANS-+/- 0.12
ANSI tolerance for vertical prism & OC place - ANS-0.33 prism diopters overall or 1.0mm
antimetropia - ANS-one eye myopic other eye hyperopic
asthenopia - ANS-eye pressure, visible fatigue
best lens these days for a drill established frame - ANS-Trivex... Earlier than trivex changed into
available, polycarbonate became the selection
distance range of imaginative and prescient in inches - ANS-24 inches and beyond
distometer - ANS-measures vertex distance