Premium thin-lens program
1.74 High Index Aspheric Optical Lenses
A premium high-index solution for demanding prescriptions where profile, coating quality, and specification accuracy matter most.
ProgramHI174Wholesale / OEM
011.74 high-index option
02Aspheric design
03Premium AR coating program
04Sample-first approval route
Buyer fit
Built around a clear procurement decision.
Intended for laboratories, prescription specialists, and premium retailers serving strong minus-power customers.
Start with representative samples, approve the agreed specification, then use it as the reference for trial and repeat orders.
Technical specification
Typical supply configuration.
Values below describe common options, not a universal guarantee. We confirm material, power matrix, coating, tolerances, test requirements, and availability before quotation.
Lens designSingle vision / RX options
Refractive index1.74
Material1.74 high-index resin
SurfaceAspheric
DiameterCommon diameters confirmed by power
CoatingHMC / SHMC
FunctionClear / UV / blue cut options
Power rangeEngineering confirmation required
Suitable applications
Where this program fits.
Strong prescription lensesPremium optical retailSpecialist laboratory supplyHigh-index private label
Sample and quality route
Approve what matters before volume.
- 01Prescription and optical center
Reviewed against the confirmed product and packing specification.
- 02Thickness reference
Reviewed against the confirmed product and packing specification.
- 03Coating cosmetic inspection
Reviewed against the confirmed product and packing specification.
- 04Order-by-order specification review
Reviewed against the confirmed product and packing specification.
Procurement FAQ
Questions buyers ask before sampling.
Who should use a 1.74 program?
It is typically positioned for stronger prescriptions and premium thin-lens offers. Final suitability depends on the prescription and frame selection.
Is every power available from stock?
No. Availability varies by diameter, design, coating, and power. A power matrix is required before quotation.
Can you support RX orders?
RX requirements can be reviewed separately, including prescription format, design, coating, and service expectations.
How should we approve quality?
We recommend confirming specifications first, evaluating representative samples, and keeping the approved details as the repeat-order reference.
Start with a useful inquiry
Send your power range, coating, quantity, and destination market.
We will help narrow the specification, sample scope, packaging route, and commercial terms.
Email product requirementscolaoptic@outlook.com · Typical first reply within 1 business day