eyeglasses
Product Details
OHARA developed a new lighter material for eyeglasses with the Refractive Index of 1.9 and the Specific Gravity of 3.99, which is in addition to the conventional eyeglass material with the
refractive index of 1.8 and 1.9. The lenses of eyeglasses with this material can be thinner, lighter, brighter and more durable against scratches.
OHARA developed a new lighter material for eyeglasses
- Country:Malaysia
- telephone:60-8142 772 2101
| OHARA developed a new lighter material for eyeglasses |
