Ronchiscreen

A valid prescription from an eye doctor is required to purchase this item. Please send a photo of your prescription to email@optego.com, and include your name, the doctor's name, and the diopter of prism required. Please be sure to include your order number in your message.

Standard shipping is free via USPS First Class Parcel Service. Delivery takes approximately 3-5 days. Expedited shipping is available via USPS Priority Mail for a flat rate of $25.00, taking approximately 2-3 days. This item cannot be returned once it has been cut to fit your glasses. Please ensure you have the correct diopter before cutting the prism. Returns and exchanges should be sent to: Optego Vision Attn: Returns 3391 E. Hemisphere Loop Tucson AZ 85706 Please include a copy of your packing slip or a note with your name, address and phone number so we can find your account in our system.

Optego® Stick-on Prisms are Fresnel-type prisms which provide temporary visual correction and are simple to affix to eyeglasses. Our proprietary ClearPrism® Technology protocol ensures that our prisms offer high-grade optical clarity. All prisms are made in the USA.  For printable instructions for use, please click here.

Ronchi gratingfor sale