This is a semi-finished photochromic progressive lens that can darken on exposure to UV radiation and gradually return to their clear state when the UV is removed. It is also used to correct disorders of accommodation. The lightweight and durable material makes this lens stand out from the rest.

• 1.553 semi-finished photochromic progressive lens.
• Power range: 100/ADD (+1.00 to +3.00).
• 300/ADD (+1.00 to +3.00).
• 500/ADD (+1.00 to +3.00).