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

  • 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.

Overall rating: 4.748268 / 5 from 433 reviews.

AI Generated Review Summary

The Root Cause Analysis Prescription Sunglasses are praised for their high-quality, stylish, and comfortable design. Customers appreciate the clarity and fit of the progressive lenses, the excellent color, and the retro look. The glasses are well-made and highly rated for their value.

Summary topics

  • Quality (11%): It was noted by customers that the quality of the product is great, superb, and excellent.
  • Readers (14%): Customers keep praising the excellent and stylish readers, making them the best blue light readers ever.
  • Lenses (13%): Customers raved about the progressive lenses, praising their clarity, fit, and stylishness.
  • Color (8%): Customers expressed satisfaction with the color, describing it as fabulous, perfect, and spot on.
  • Style (11%): Customers raved about the style, with multiple reviews expressing love for the retro and classic styles.

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

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

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)

Root Cause

"I love these and I love the style even more. I really wish the readers/bifocal portion encompass a little bit more than just a sliver of the bottom portion of the glasses. I have to really tilt my head back to benefit. truly, the best part about them is that I can wear them all day without taking them on and off, even though I have to really tilt back to get the effect of the reader."

Carey A. (5/5)

Fast and good quality

"I love my new glasses. They came faster than I thought and the process was super easy."

Jessica C. (5/5)

Out Of The Box

"I received my Root Cause Analysis (RCA) glasses and ive not taken them off yet. Considering sleeping in them. Seriously Love-em!"

Scott L. (5/5)

Q&A