The following is a chart listing the type of lenses you will receive with your glasses based on your spherical power. We have determined these lens recommendations by optimizing the balance between visual acuity and lens thickness for your convenience.
(+) Sphere Prescription
|±0 - +4.00||1.60 HIGH-INDEX PLASTIC|
|+4.00 - +8.00||1.67 HIGH-INDEX PLASTIC|
(-) Sphere Prescription
|±0 - -5.00||1.60 HIGH-INDEX PLASTIC|
|-5.00 - -10.00||1.67 HIGH-INDEX PLASTIC|
|-10.00 - higher||1.74 HIGH-INDEX PLASTIC*|
*1.74 index lens is available only for regular clear lens for single vision, and also it is not always guaranteed to offer to all the prescriptions with sphere power -10.00 and higher
The following outlines lens characteristics and additional lens options.
1.60 High-index Plastic Lens Characteristics
1. DESIGNED TO BE DURABLE
2. BETTER VISUAL ACUITY
1.67 High-index Plastic Lens Characteristics
1. DESIGNED FOR STRONG PRESCRIPTIONS
2. THINNER, LIGHTER
Please see also our lens guide for more details.