titanium alloy sunglasses transition pchromic reading glasses for men hyperopia presbyopia with diopters presbyopia polycarbonate clear hmc

congratulations on finding the factorytitanium alloy sunglasses transition pchromic reading glasses presbyopia glasses. restore true color, eliminate reflected or scattered light.cut glare headache eyestrain to protect your eyes and help sleep better.durable and lightweight,you can barely feels its presence, warm tips1.please correctly understand pchromic glasses, he color depth does not equal sunglasses. 2.test discoloration, it is recommended to test at noon, noon sun uv strong, discoloration can achieve the results, more test several times, the effect is better..syi