Transitions:
Lenses that go clear inside and turn dark when they are exposed to UV light.
Multicoats (anti-reflective coatings):
A coating that cuts down light reflections off your spectacle lens surface.
High Index Lenses:
Lenses that are made of thinner and lighter materials.
Aspheric Lenses:
Lenses that are flatter, thinner and lighter.
Grind Lenses:
Lenses that are flatter, thinner and lighter.
Single Vision Lenses:
Lenses that focus at one particular distance (used generally for patients under 40 years or for those who only need reading glasses).
Bifocal Lenses:
Lenses that have a focus for distance and near and have a line on the lens.
Multifocal (Progressive) Lenses:
Lenses that have no line and focus gradually from distance to intermediate to near.
Digitally Surfaced Multifocal Lenses:
Newer technology multifocal lenses that are easier to adapt to as they have a wider corridor of clear vision (less peripheral distortion) and an easier graduation from distance to near.
Extended Focus Readers:
Ideal for computer users or in an office situation as they have a focus for both near work and intermediate (or computer) work.
