Loon Rx

Which Lens Color is right for me? ?

Availability: In stock


Prescription Form Help

In order to process your Prescription Ono's order, all information MUST be completed in the boxes on the page. Prescriptions must be less than two years old. (We will not make prescriptions without pupilary distance measurements). We cannot manufacture lenses with a Sphere (greater than +3.00 or less than -4.00) or a cylinder (greater than +-2.50).

If you have any questions or concerns please call Ono's Customer Service at 1(909)549-1263.

Please allow 10-14 business days for your order.
(Green and Blue Mirror coatings will require an additional 7-10 business days).

Prescription Note: Please fill out the fields below carefully.
If it does not apply enter "N/A".
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Lens Color

Need Prescription Sunglasses?

Which Lens Color is Right for Me?

sample amber color onos lens


Perfect for low-light conditions; early morning, late evening or overcast conditions.
sample grey color onos lens


Grey lens color is perfect for everyday, all day use.
sample blue mirror over grey color onos lens

Blue Mirror over Grey

Perfect for outdoor activities where reflective glare are most intense, such as snow skiing or boating. Reflective glare from snow or water is very damaging to the eyes when not protected, the Blue-Mirror coating offers 100% UVA/UVB protection and Polarized filter offers the outdoor enthusiast the best in sun wear protection.
sample green mirror over amber color onos lens

Green Mirror over Amber

A better option for on land activities where the reflective glares are not as intense and more light is needed. As with the Blue Mirror over Grey lens, both coatings provide 100% UVA/UVB protection and Polarized filtration.

ONOS Loon Green Mirror Base


The ONOS Loon frame was named after The Great Northern Loon, a large member of the loon, or diver, family of birds.

The Loon frame is available in brown with a unique plaid pattern, featuring a quality constructed, TR-90 nylon frame featuring Ophthalmic Quality, CR-39 POLARIZED lens for the best in optical clarity; 100% UVA/UVB Protection. Loon is a lightweight and comfortable frame selection perfect for outdoor enthusiasts.

Fit The Loon frame fits medium to large facial features.

Measurements (see diagram):

Bridge Width: 135 mm, Stem Length: 130 mm
Lens: A - 62.3 mm, B - 36.5 mm, ED - 64.3 mm

When placing an RX order please mail, email, or fax a copy of the prescription to:


2060 S Haven Avenue

Ontario, CA 91761

Fax: (909)923-0488

Email: customerservice@onos.com

The order will begin processing upon the receipt of the prescription copy.

***NOTE:Please make sure to include the PD (pupillary distance) on RX orders with a bifocal.***