Lens Index Material Guide
Lens Index Material Guide
Basic Lens
Easy Sight basic plastic lenses are available in two indexes
Standard Index 1.50 (CR-39)
Basic Standard Index Lenses have less thinness.
Suitable Material:
- Full rim Plastic / Acetate frame
- Full rim Metal frames.
Rx Range:
- +1.00 / -2.75 or Below.
Mid Index 1.57
Basic mid index lenses are 15% thinner than Standard index (1.50)
Suitable Material:
- Full Rim Plastic / Acetate
- Full Rim Metal Frames
Rx Range:
- +2.00/-3.75 or Below
High-Index Lenses
Easy Sight high Index lenses are lighter and thinner.High Index lenses have focal point thickness at edge for close to nearsightedness and less thickness at focus Farsightedness
High Index 1.61
High Index lenses are 20% thinner than Standard index (1.50)
Suitable Material:
- Full Rim Plastic / Acetate
- Full Rim Metal Frames
Rx Range:
- +3.00/-5.75 or Below
High Index 1.67
High index lenses are 30% thinner than Standard index (1.50).
Suitable Material:
- Full Rim Plastic / Acetate
- Full Rim Metal Frames
Rx Range:
- +5.00/-7.00 or Above
Impact-Resistant Lenses
Easy Sight Impact Resistant lens is appropriate for everybody yet in addition a decent choice for kids and sports players.
Polycarbonate 1.59
High index lenses are 30% thinner than Standard index (1.50).
Suitable Material:
- Polycarbonate 1.59 are impact resistant.
- Best for ages 18 and under.
- Good choice for kids.
Suitable Material:
- All Frames.
Rx Range:
- +3.00/-4.75 Above