RAY-BAN 3447V 3173 50

In the spheroid field (SPH) we put a negative sign (-) in case of myopia and a positive (+) in case of hyperopia or presbyopia according to your prescription.

In the cylinder (CYL) field, we fill in the degree of astigmatism with the corresponding sign that is in our prescription.

In the spheroid field (SPH) we put a negative sign (-) in case of myopia and a positive (+) in case of hyperopia or presbyopia according to your prescription.

In the cylinder (CYL) field, we fill in the degree of astigmatism with the corresponding sign that is in our prescription.

Interpupillary distance (PD) is the distance between the centers of the two eyes. It is necessary for the correct placement of the lenses. You can have this measurement done by your ophthalmologist or in our store.

Interpupillary distance (PD) is the distance between the centers of the two eyes. It is necessary for the correct placement of the lenses. You can have this measurement done by your ophthalmologist or in our store.

Interpupillary distance (PD) is the distance between the centers of the two eyes. It is necessary for the correct placement of the lenses. You can have this measurement done by your ophthalmologist or in our store.