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Bil Brown TR90 Round Sunglasses Prescription UV Blocking Polarized Lenses

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RR0192302 | Bil Brown TR90 Round Sunglasses Prescription UV Blocking Polarized Lenses

Name: Bil Brown TR90 Round Sunglasses Prescription UV Blocking Polarized Lenses
Brand: ELKLOOK
SKU: RR0192302
Price: 19.95 USD
Availability: InStock
Rating: 5.0 (2 reviews)

Brown

$19.95$19.95

4*Interest-free

Worry-free delivery™

1-Year Warranty

30-Day Promise

30-Day Returns

Transparent cost breakdown of premium materials and design. Figures are approximate.

Size & Details | Wide
Reviews (2)
Frame Selection Guide
Shipping & Returns
FAQ

01 | About Decentration Amount (LDA)

Formula: (ab-PD)/2 =LDA

LDA = 0：Perfect fit ; 0 < LDA < 3mm：Ideal range; 3mm ≤ LDA ≤ 5mm：Acceptable; LDA > 5mm：Not recommended

02 | About Decentration Amount (LDA)

Ideal Lens Height ≥ 36mm

Full access to the progressive zone for wider vision.

Minimum Lens Height ≥ 18mm

Ensures basic progressive zone usability.

03 | High Prescription ( ≥ -6.00 ) Frame Advice

Avoid oversized frames

Reduce lens weight and nose bridge pressure.

Avoid rimless frames

Prevent thick lens edges (opt for small semi-rim or full-rim frames).

04 | Low Prescription (≤ -1.00 ) Refractive Index Guide

Opt for 1.56 / 1.60 index for better value and lightness.

Not recommended High index 1.67 / 1.74：

Poor cost-effectiveness – minimal thickness difference.

05 | Prescription Help: Upload & Let Us Handle It!

▶ Unsure how to fill prescription data

▶ Worry about input errors

▶ Find the process tedious

What to do：Upload a photo of your prescription during checkout – our experts will fill it in/correct it for you!

06 | Material Tips for Metal Allergy Sufferers - Recommended

TR90: Ideal for sensitive skin

Ultra-lightweight, durable nylon-based.

Acetate: Hypoallergenic, skin-friendly

Natural resin-based acetate and available in diverse stylish designs.

Avoid：Frames made of metal alloys (e.g., nickel, copper) to prevent contact dermatitis.

Shipment & Return

We offer free shipping if your order is over US$69. Also we offer Express Shipping which typically delivers within 5-7 days after shipment.

Refund policy

1A 365-day warranty is provided, covering manufacturing defects,excluding damage from accidents, neglect, or improper care.

230-Day return & exchange: Products can be returned, exchanged, or refunded within 30 days.

330-Day Price Guarantee: The Price Difference will be refunded to you If the product(s) is/are cheaper on ELKLOOK within 30 days when you place an order(s).

How to care for glasses?

Proper eyeglass care helps extend their lifespan:

• Always use both hands to take glasses off to prevent frame distortion.

• Store them in a protective case when not in use.

• Clean them regularly with lens-safe products.

• Avoid placing glasses lens-down on surfaces.

• Keep them away from extreme heat (like car dashboards).

• Regularly check for loose screws and get professional adjustments if needed.

What are prescription glasses?

Prescription glasses are customized eyewear designed to correct vision problems such as nearsightedness, farsightedness, astigmatism, or presbyopia using lenses tailored to your individual prescription.

Your prescription can be found:

On the paperwork from your last eye exam

By contacting your optometrist or ophthalmologist

Sometimes printed on your current glasses box or records (not directly on the glasses)

How to take care of your eyes?

Protecting your vision is key to long-term eye health:
1Follow the 20-20-20 rule: Every 20 minutes, look at something 20 feet away for 20 seconds.
2Wear sunglasses with 100% UV protection outdoors.
3Use blue light blocking glasses if you spend long hours on digital screens.
4Get regular eye exams, even if you don’t wear glasses.
5Maintain a balanced diet rich in vitamin A, omega-3s, and leafy greens.
6Stay hydrated and get enough sleep.
7Avoid rubbing your eyes and wash hands frequently to prevent infections.

Still have questions? Check more.

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5.0

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M***WApr. 25, 2024 5.0	This is my second pair of sunglasses from elk look and my fifth pair of glasses. The quality is unsurpassed. Customer service is amazing. Returns are amazing. This company is a plus and so are there products
M***aApr. 23, 2024 5.0	These sunglasses are chic and cool and retro and so me. Just love all of elk looks products.