Sebagian Istilah-istilah dalam dunia Optik

OD/R = Oculus Dextra / Right = Mata Kanan
OS/L = Oculus Sinistra / Left = Mata Kiri
OU = Oculus Unistra = Mata Kanan Dan Kiri
Lensa Plus = + = Lensa Cembung
Lensa Minus = – = Lensa Cekung
Dioptri = D = Satuan Kekuatan Lensa
Sphere = S/Sph = Lensa Spheris
Cylinder = C/Cyl = Lensa Cylinder
Axis Cylinder = X = Sumbu Cylinder
Prisma Dioptri = = Satuan Kekuatan Prisma
Base In = B.I. = Arah Tebal dinasal
Base Out = B.O. = Arah Tebal ditemporal
Base Up = B.U. = Arah Tebal diatas
Base Down = B.D. = Arah Tebal dibawah
Addition = Add = Penambahan kekuatan Baca
Base Curve = B.C. = Lengkung Lensa
Centre Thick = C.T. = Tebal Tengah Lensa
Edge Thickness = E.T. = Tebal Tepi Lensa

Optical Centre = O.C. = Titik Focus
Straight Top/ = S.T./ = Segment Bagian Atas lurus, Flattop = F.T.
Curve Top = C.T. = Segment Bagian Atas Lengkung
Segment High = S.H. = Tinggi Daerah Baca Lensa Bifocal
Pupil Vertical = P.V. = Tinggi Pupil
Pupil Distance = P.D. = Jarak antara kedua pupil mata Kanan dan mata kiri
Distance Vitror = D.V. = Jarak titik focus lensa kanan dan kiri pada kacamata
Monocular Pupil = MPD = Jarak antara tengah hidung Distance dan pupil mata kanan / kiri
Geometrik = GCD = Jarak titik pusat rim kanan dan centre Distance rim kiri
Index Bias = n = Indeks Bias