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Item NO.#: LCK002
Price: Pls contact (Ada :0086-18606789092) for the best price !
HS CODE: 90041000
MOQ:1200PCS/ Design
Material: Plastic Frame
Custom Logo: Yes
OEM Design: Yes
Lead time: 25-35 working days
Sample time: 5-10 working days
James Ayscough began experimenting with tinted lenses in spectacles in the mid-18th century, around 1752. These were not "sunglasses" as that term is now used; Ayscough believed that blue- or green-tinted glass could correct for specific vision impairments. Protection from the Sun's rays was not a concern for him. One of the earliest surviving depictions of a person wearing sunglasses is of the scientist Antoine Lavoisier in 1772.
Yellow/amber and brown-tinted spectacles were also a commonly prescribed item for people with syphilis in the 19th[dubious – discuss] and early 20th centuries because sensitivity to light was one of the symptoms of the disease.
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