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Medium

The Casper

The Casper is made of hand-polished, flexible, and durable acetate.

Material

Classic Black

New Arrival Black

BFRO Info

Select you previous prescription as you current option and continue to the Top Frame page.

Available Color options

The Prescription Lens Lineup

Here’s our prescription lens lowdown!

Proper selection and use of eyewear is critical to your eye safety. If your occupation, sports, or other activities expose you to the risk of flying objects or physical impact, your eye safety may require the use of special spectacle lens materials. We strongly recommend the use of impact resistant Standard lenses simply because your safety, vision and the health of your eyes is our main concern. Eyeglass lenses made from Basic or Premium materials are not as impact resistant as our Standard material.

Single-Vision

  • For prescriptions from -14.50D to +5.00D
  • These lenses can be made to correct distance, intermediate or near vision as a single focus lens
  • High quality UV-blocking lens materials available
  • Including our premium Anti-Reflection coatings, which are also scratch-resistant and easy to clean

Progressives

  • Our Premium quality varifocals/progressives are made using Digital Freeform Technology
  • These are the upgrade to old bifocals and trifocals
  • If your prescription had an ADD value and you are over 40 these would be ideal for you!
  • All of your visual needs taken care of in one lens, from closely reading a book to cruising down the road, do it all in your varifocal Pair
  • Including our Premium anti-reflection coatings, which are also scratch-resistant and easy to cleans

Readers

  • Magnifying lenses to help you see to read
  • No prescription required, just pick your strength a go!
  • Reading strength from +0.25D to +2.75D
  • Including our premium anti-reflection coatings, which are also scratch-resistant and easy to clean

The Handy Lens Add-Ons

Enhance your Pair with these lens extras!

Proper selection and use of eyewear is critical to your eye safety. If your occupation, sports, or other activities expose you to the risk of flying objects or physical impact, your eye safety may require the use of special spectacle lens materials. We strongly recommend the use of impact resistant Standard lenses simply because your safety, vision and the health of your eyes is our main concern. Eyeglass lenses made from Basic or Premium materials are not as impact resistant as our Standard material.

Blue-Light Filtering

Blue-light lenses filter out potentially harmful rays of visible light that are typically emitted during screen time and by the sun. If you spend a good chunk of time looking at your go-to electronic devices, this lens can reduce your exposure to blue-light and may help with eye fatigue and sleep issues.

Light Responsive

If you’re quickly moving from indoors to outdoors, it can be a hassle to have to swap out your glasses. These photochromic lenses darken when they hit UV light. This tint will deepen as the rays become stronger, making this Pair very practical!

  • Free Standard Shipping on All US and CA Orders

  • FSA & HSA Eligible or Insurance Reimbursement

  • Free Returns & Exchanges

The Casper

Black

Black

Material

What are Tops Frames?

Add personality to your Pair with hundreds of swappable Top Frames that instantly snap onto your Base Frame. We have tops in unique patterns, bold colors, Sun Tops, and classics!

How Do Top Frames Attach to Base Frames?

The magic is in the magnets. Two invisible, ultra-lightweight magnets (we’re talking < 1 gram), cover the top left and right corners of the frames, firmly attaching the top frame.

What Are Top Frames Made Out Of?

Durable, injected-molded plastic.

How Thick Are Top Frames?

2mm. Our goal is to have our Pair Family seeing 20–20, so our Tops will not obstruct your vision.

How Heavy is a Top Frame?

The weight of a single Top Frame ranges from 2.6 to 3.5 grams, depending on the model. That’s lighter than a teaspoon of sugar! Our Sun Tops will typically add an additional 2–3 grams due to their lenses.

This medium, modified rectangle frame has a fresh, original feel. The Casper looks fantastic on most adult faces, and they particularly suit an oval, round, heart, or diamond shape.

  • Frame Width

    135mm

    The Casper - Black

    The width of the frame

  • Lens Height

    37.1mm

    The Casper - Black

    The vertical diameter of one lens

  • Bridge Width

    17mm

    The Casper - Black

    The width of the bridge section

  • Lens Width

    52mm

    The Casper - Black

    The horizontal diameter of one lens

  • Temple Length

    140mm

    The Casper - Black

    The length of the temple arm, from the front of the frame to the end tip

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