See the evidence-based data forest through the systematic trees.

About

The Root Cause Analysis is a high-density acetate frame, which means it’s created from the good, expensive stuff. The time-tested aviator shape originates back to a date that the Internet is just not letting up that easily…but trust us when we say, “timeless.”

Features

  • Caddis proprietary polarized sunglass lenses enhance contrast and reduce 99.9% of glare without any digital screen distortion.
  • A premium hard coating protects lenses, increasing durability and minimizing scratches.
  • Lenses include a high-performance water, dirt, and grease-repellent coating for easy maintenance and superior optics.
  • Premium, bio-based acetate frame with 3-barrel industrial hinges.

Fit

Vintage style, medium fit

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Narrow Medium Wide

An aviator frame shape ideal for oval, square, and heart faces.

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Overall rating: 4.75 / 5 from 516 reviews.

AI Generated Review Summary

The Root Cause Analysis Polarized Sunglasses are praised for their high-quality acetate frames, timeless aviator style, and excellent lenses. Customers appreciate the glasses' great look, perfect fit, and stylish appearance, though some find the reader portion too small.

Summary topics

  • Color Satisfaction (8%): Customers expressed satisfaction with the color, with many describing it as fabulous, perfect, fabulous, and spot on.
  • Style Appeal (11%): Customers raved about the style of these glasses, with many expressing their love for them.
  • Lens Performance (13%): It was noted by customers that the progressive lenses are amazing and provide excellent reading vision and are a game changer.
  • Aesthetic Appeal (16%): A significant amount of customers expressed appreciation for the look of these glasses, stating that they look great and amazing.

Review topics: ["size","fit","color","problem","feel","shape","look","materials","quality","weight","comfort","shipping","style","design","shade","pair","customer service","light","fun","glasses","pattern","construction","frames","readers","lenses","sunglasses","caddis","tint","progressives","compliments"].

Review highlights

  • "Perfect fit, style and quality." — Simon
  • "Love the glasses, its style, and colors." — Gabi H.
  • "Love the look and the feel and the tint is just right." — David M.

Reviews

In Love With Caddis’ Quality!

"This is my second pair of Caddis in two months. I love the quality. The first pair of these RCA had the wrong prescription. Customer service was great to work with and corrected the problem. Mistakes happen, but great companies correct them. I’m a customer for life!"

— Suzann M. (5/5)

OBSESSED

"I have been buying glasses from my optometrist because they said it’s important to get the prescription in the right place and that ordering online is not a good choice. I was unhappy with their selection and expense so I took a chance and I’m SO glad I did!!!"

— Magdalen S. (5/5)

Fits great out of the box

"My third Caddis pair, and as before, the prescription and fit are just right. Though I wish I could have gotten my beloved Mr Cartoon style in blue, this aviator style frame works well too. A more muted blue/green color, but looks good."

— Polly P. (5/5)

Addicted to Caddis

"My second pair of Root analysis and my 10 th or 11th pair purchased. Love the quality the lens clarity and the fit. I’ve been in the optical industry for 30 years and can’t find anything better than a Caddis for an “over the counter “ reader. Well done Caddis in all categories !"

— spryng b. (5/5)

How you look on the outside can match how you feel on the inside

"At a certain age, readers make your life easier. They do. But you don’t necessarily want to look that certain age. Enter Caddis RCA. When the “cool” kids at work compliment my glasses, and I don’t have to take them off to see distance because I got the progressives, I don’t feel my age. So I’m ordering the same style in sunglasses too — because now my outside finally matches how I feel on the inside. Get ready for the compliments."

— jenn h. (5/5)

Great looking sunglasses

"I found myself using these more as sunglasses than as readers but obviously not ideal for diving etc. I lost them already and will order another pair."

— ANTHONY P. (5/5)

Great Reading Glasses

"Love these glasses a lot ~ I lost my first pair so had to order a second pair no brainer !!"

— sarah O. (5/5)

Fantastic.

"I like these a lot. Great quality. Nice to wear. Will probably buy another pair in another Color when I can afford to do so."

— Douglas S. (5/5)

Love absolutely everything about this pair of glasses

"The color is spectacular, the shape is cool, but what I appreciate the most is the weight. They are ultra-light. I owned another pair of Caddis and they were heavy and left a mark on my nose bridge. These do not."

— Carla A. (5/5)

Aging Awesome with my RCA

"I am a big fan of the Caddis D-28 frames! But for sunglasses I prefer the RCA frames so I buy the 0 Mag readers and have my optometrist add my progressive prescription. This Donkey color is a cool shade of grey!"

— Ryan F. (5/5)

Q&A

Can I get these as progressive reader sunglasses?
Yes under Sunglasses you would choose the category for Sun Progressives.