- OD right eye
- OS left eye
- Brand name eg. Acuvue
- BC / Base Curve a number between 8.0 and 10.0
- DIA / Diameter a number between 13.0 and 15.0
- Power / Sphere / Rx a number between -20 and +20
In Addition for astigmatic patients:
- Cylinder a number between -4.00 and +4.00
- Axis a number between 0 and 180
- Cylinder and Axis are usually separated by a x
For Multifocal, Bifocal lenses or Presbyopia:
"Addition" or "add" is usually preceded by "+" or is listed as "low", "mid" or "high" depending on the lens manufacturer.
Product Information:Halo Red are Custom Novelty (Halloween, Special Effect, FX, Theatrical) Contact Lenses. Halo Red contact lenses are ideal for theatrical production, movie production, parties, Halloween, or just to make in impact.
Halo Red Reviews
The dark black center and deep red outside color of the contacts make these sooo creepy! They're the coolest contacts I've seen!