Frame Details

Age Group: Adult

Lens Color: Demo

Frame Color: Black

Frame Material: Zyl

Polarized: Not Polarized

UPC: 849260087051

Lens Width:

Bridge:

Temple Length:

145

customer reviews content

49-20-145

49mm

20mm

145mm

Home Barton Perreira Barton Perreira Nora

Barton Perreira Nora

Name: Barton Perreira Nora
Brand: Barton Perreira
SKU: NORA4901K
Price: 530.0 USD
Availability: OutOfStock

NORA4901K

Barton Perreira Nora

NORA4901K

$530.00

Size Size Guide 49mm

Colors: 6

Frame: Black

Lens Color: Demo

Frame Details

Customer Reviews

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Replacement Guarantee

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Key features

What's included

With every hearing glasses purchase, a case and charging pad will already be included.

Premium quality lenses

Choose an additional filter that adjusts to your lifestyle.

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Barton Perreira Barton Perreira Nora

Total

Select Your Lens Type

Non-prescription

Lenses without vision correction, for fashion or eye protection only.

Fashion Lenses, Blue Light, Sunglasses

Bifocal/Progressive

Lenses with multiple focal points for both near and distance vision.

Distance, Reading, Computer

Single Vision

Lenses with one consistent prescription for either near or distance vision.

Distance, Reading, Computer

Enter your prescription

Same prescription for both eyes

Right(OD)

Sphere (SPH)

Sphere (SPH) is the power of the lens in the horizontal direction.

Cylinder (CYL)

Cylinder (CYL) is the power of the lens in the vertical direction.

Axis (AXI)

Axis (AXI) is the angle of the lens in the horizontal direction.

Right(OD)

Plus

+0.0

+0.25

+0.5

+0.75

+1.0

+1.25

+1.5

+1.75

+2.0

+2.25

+2.5

+2.75

+3.0

+3.25

+3.5

+3.75

+4.0

+4.25

+4.5

+4.75

+5.0

+5.25

+5.5

+5.75

+6.0

+6.25

+6.5

+6.75

+7.0

+7.25

+7.5

+7.75

+8.0

+8.25

+8.5

+8.75

+9.0

+9.25

+9.5

+9.75

+10.0

+10.25

+10.5

+10.75

+11.0

+11.25

+11.5

+11.75

+12.0

+12.25

+12.5

+12.75

+13.0

+13.25

+13.5

+13.75

+14.0

+14.25

+14.5

+14.75

+15.0

+15.25

+15.5

+15.75

+16.0

+16.25

+16.5

+16.75

+17.0

+17.25

+17.5

+17.75

+18.0

+18.25

+18.5

+18.75

+19.0

+19.25

+19.5

+19.75

+20.0

+20.25

+20.5

+20.75

+21.0

+21.25

+21.5

+21.75

+22.0

+22.25

+22.5

+22.75

+23.0

+23.25

+23.5

+23.75

+24.0

+24.25

+24.5

+24.75

+25.0

+25.25

+25.5

+25.75

+26.0

+26.25

+26.5

+26.75

+27.0

+27.25

+27.5

+27.75

+28.0

+28.25

+28.5

+28.75

+29.0

+29.25

+29.5

+29.75

+30.0

Minus

-0.0

-0.25

-0.5

-0.75

-1.0

-1.25

-1.5

-1.75

-2.0

-2.25

-2.5

-2.75

-3.0

-3.25

-3.5

-3.75

-4.0

-4.25

-4.5

-4.75

-5.0

-5.25

-5.5

-5.75

-6.0

-6.25

-6.5

-6.75

-7.0

-7.25

-7.5

-7.75

-8.0

-8.25

-8.5

-8.75

-9.0

-9.25

-9.5

-9.75

-10.0

-10.25

-10.5

-10.75

-11.0

-11.25

-11.5

-11.75

-12.0

-12.25

-12.5

-12.75

-13.0

-13.25

-13.5

-13.75

-14.0

-14.25

-14.5

-14.75

-15.0

-15.25

-15.5

-15.75

-16.0

-16.25

-16.5

-16.75

-17.0

-17.25

-17.5

-17.75

-18.0

-18.25

-18.5

-18.75

-19.0

-19.25

-19.5

-19.75

-20.0

-20.25

-20.5

-20.75

-21.0

-21.25

-21.5

-21.75

-22.0

-22.25

-22.5

-22.75

-23.0

-23.25

-23.5

-23.75

-24.0

-24.25

-24.5

-24.75

-25.0

-25.25

-25.5

-25.75

-26.0

-26.25

-26.5

-26.75

-27.0

-27.25

-27.5

-27.75

-28.0

-28.25

-28.5

-28.75

-29.0

-29.25

-29.5

-29.75

-30.0

Plus

+0.25

+0.5

+0.75

+1.0

+1.25

+1.5

+1.75

+2.0

+2.25

+2.5

+2.75

+3.0

+3.25

+3.5

+3.75

+4.0

+4.25

+4.5

+4.75

+5.0

+5.25

+5.5

+5.75

+6.0

Minus

-0.25

-0.5

-0.75

-1.0

-1.25

-1.5

-1.75

-2.0

-2.25

-2.5

-2.75

-3.0

-3.25

-3.5

-3.75

-4.0

-4.25

-4.5

-4.75

-5.0

-5.25

-5.5

-5.75

-6.0

Left(OS)

Sphere (SPH)

Cylinder (CYL)

Axis (AXI)

Left(OS)

Plus

+0.0

+0.25

+0.5

+0.75

+1.0

+1.25

+1.5

+1.75

+2.0

+2.25

+2.5

+2.75

+3.0

+3.25

+3.5

+3.75

+4.0

+4.25

+4.5

+4.75

+5.0

+5.25

+5.5

+5.75

+6.0

+6.25

+6.5

+6.75

+7.0

+7.25

+7.5

+7.75

+8.0

+8.25

+8.5

+8.75

+9.0

+9.25

+9.5

+9.75

+10.0

+10.25

+10.5

+10.75

+11.0

+11.25

+11.5

+11.75

+12.0

+12.25

+12.5

+12.75

+13.0

+13.25

+13.5

+13.75

+14.0

+14.25

+14.5

+14.75

+15.0

+15.25

+15.5

+15.75

+16.0

+16.25

+16.5

+16.75

+17.0

+17.25

+17.5

+17.75

+18.0

+18.25

+18.5

+18.75

+19.0

+19.25

+19.5

+19.75

+20.0

+20.25

+20.5

+20.75

+21.0

+21.25

+21.5

+21.75

+22.0

+22.25

+22.5

+22.75

+23.0

+23.25

+23.5

+23.75

+24.0

+24.25

+24.5

+24.75

+25.0

+25.25

+25.5

+25.75

+26.0

+26.25

+26.5

+26.75

+27.0

+27.25

+27.5

+27.75

+28.0

+28.25

+28.5

+28.75

+29.0

+29.25

+29.5

+29.75

+30.0

Minus

-0.0

-0.25

-0.5

-0.75

-1.0

-1.25

-1.5

-1.75

-2.0

-2.25

-2.5

-2.75

-3.0

-3.25

-3.5

-3.75

-4.0

-4.25

-4.5

-4.75

-5.0

-5.25

-5.5

-5.75

-6.0

-6.25

-6.5

-6.75

-7.0

-7.25

-7.5

-7.75

-8.0

-8.25

-8.5

-8.75

-9.0

-9.25

-9.5

-9.75

-10.0

-10.25

-10.5

-10.75

-11.0

-11.25

-11.5

-11.75

-12.0

-12.25

-12.5

-12.75

-13.0

-13.25

-13.5

-13.75

-14.0

-14.25

-14.5

-14.75

-15.0

-15.25

-15.5

-15.75

-16.0

-16.25

-16.5

-16.75

-17.0

-17.25

-17.5

-17.75

-18.0

-18.25

-18.5

-18.75

-19.0

-19.25

-19.5

-19.75

-20.0

-20.25

-20.5

-20.75

-21.0

-21.25

-21.5

-21.75

-22.0

-22.25

-22.5

-22.75

-23.0

-23.25

-23.5

-23.75

-24.0

-24.25

-24.5

-24.75

-25.0

-25.25

-25.5

-25.75

-26.0

-26.25

-26.5

-26.75

-27.0

-27.25

-27.5

-27.75

-28.0

-28.25

-28.5

-28.75

-29.0

-29.25

-29.5

-29.75

-30.0

Plus

+0.25

+0.5

+0.75

+1.0

+1.25

+1.5

+1.75

+2.0

+2.25

+2.5

+2.75

+3.0

+3.25

+3.5

+3.75

+4.0

+4.25

+4.5

+4.75

+5.0

+5.25

+5.5

+5.75

+6.0

Minus

-0.25

-0.5

-0.75

-1.0

-1.25

-1.5

-1.75

-2.0

-2.25

-2.5

-2.75

-3.0

-3.25

-3.5

-3.75

-4.0

-4.25

-4.5

-4.75

-5.0

-5.25

-5.5

-5.75

-6.0

Addition (ADD)

Addition (ADD) is the power of the lens in the horizontal direction.

PD is the distance between the center of the pupil and the center of the lens.

How to measure you PD?

Upload RX (Optional)

Have a copy of your RX? Upload it here and skip most of the form above - only PD (Pupillary Distance) will still be required.

Upload your RX

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RX uploaded successfully!

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Select Lens Specifications

Please scroll down to see all options

Material (required)

Select the right lens material based on your lifestyle and prescription needs. Thinner, lighter, or more impact-resistant options help enhance comfort, durability, and clarity.

$40.00

Select the right lens material based on your lifestyle and prescription needs. Thinner, lighter, or more impact-resistant options help enhance comfort, durability, and clarity.

Premium Standard Plastic $20.00

High Quality, Distortion Free Lenses

Impact Resistant Polycarbonate $40.00

30% Thinner than Plastic

1,67 High-Index $89.00

Thinner for strong prescriptions

1.74 High-Index $179.00

Ultra-Thin, best for high prescriptions

Lens Type (required)

$40.00

Bifocal $0.00

Standard Progressive $0.00

Anti-Reflective Coating

Reduces glare and enhances clarity, ideal for driving and bright environments.

$40.00

Reduces glare and enhances clarity, ideal for driving and bright environments.

Standard Anti Reflective $34.99

Diffuses light reflections and adds a water resistant layer for reduced fogging and easier cleaning.

Premium Anti - Reflective Crizal Sapphire $125.99

Crizal Sapphire offers the highest level of glare reduction as well as the latest anti-scratch, oil, water and static technology. The most durable AR coating available.

Anti-Reflective with Blue-Light Protection

Standard Blue Light Blocking AR $49.00

BlueShield blue-light blocking reflects 20% of all harmful blue light away, while allowing beneficial blue light in. This AR coating differs from a traditional AR coating in that it will have a noticeable blue hue.

Premium Anti-Reflective Blue-Light Protection Crizal Prevencia $139.00

Discover the power of Crizal Prevencia lenses – your ultimate solution for crystal-clear, protected vision. Shielding your eyes from harmful UV rays, blue-violet light, and glare, these lenses ensure a healthier, more comfortable visual experience. Upgrade your eyewear today for unparalleled eye protection and exceptional clarity.

Lens Color (required)

Customize your lenses with color options that match your lifestyle—whether you want clear everyday vision, adaptive photochromic comfort, or glare-cutting outdoor performance. Each option enhances comfort, clarity, and protection in different lighting environments.

$0.00

Clear $0.00

1 COLORS: Clear

Transition Gen S $89.00

Experience ultra-fast light adaptation with vibrant style. These next-gen photochromic lenses darken in seconds, fade back quickly indoors, and provide 100% UV protection with advanced blue light filtering. Available in 8 dynamic colors for all-day comfort and clarity.

1 COLORS: Grey

Transition extra active $149.00

Designed for extra light-sensitive eyes, these lenses darken more than standard Transitions—even behind the windshield. They offer a slight indoor tint, block 100% UV, and filter blue light for enhanced comfort in all lighting conditions. Ideal for active, light-intense lifestyles.

1 COLORS: Grey

Polarized $79.00

Designed to reduce glare from reflective surfaces like water, roads, and glass, polarized lenses enhance visual clarity and comfort in bright conditions. They improve contrast, reduce eye strain, and provide 100% UV protection—perfect for driving, outdoor sports, and everyday sunwear.

1 COLORS: Grey

Tint $39.00

Tinted lenses reduce brightness and glare by filtering light, offering enhanced visual comfort in sunny or bright environments. Available in various colors and shades, they can improve contrast, support specific activities, and add a stylish look while providing UV protection.

6 COLORS: Grey

Tint Darkness: 80%

You've selected clear lenses (with sunglass frames) - continue?

REVIEW & CONFIRM

Frame

$530.00

Barton Perreira Nora

Lense

Type Progressive $100.00

Material High-Index 1.74 $120.00

Material Thickness Options: Thin $0.00

Impact Resistance: Safety $0.00

Tint & Color Grey $132.00

Prescription

Shipping time 1-3 business days

TOTAL: $530.00

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Frame Details

Lens Width:

Bridge:

Temple Length:

customer reviews content

Barton Perreira Nora

Barton Perreira Nora

Key features

What's included

Premium quality lenses

You might also like

Select Your Lens Type

Enter your prescription

Upload RX (Optional)

Select Lens Specifications

Please scroll down to see all options

REVIEW & CONFIRM

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Lense

Prescription

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