AR/XR Explained
The concepts behind smart glasses, translated into English. FOV, IPD, DoF, waveguides, Android XR — all of it.
Updated Aug 25, 2026
Every confusion in this market traces back to vocabulary. “AR glasses” get used to describe $99 sunglasses with speakers and $1,400 standalone spatial computers. “XR” means different things to Google, Meta, and your local electronics store. These guides fix the vocabulary first, then the market snaps into focus.
Audio
speakers only
AI Camera
+ camera & AI
HUD
+ glance display
AI + Display
standalone hybrid
Display
tethered monitor
The guides
START HERE
Types of smart glasses: the beginner's guide
Audio, AI camera, HUD, display, and AR glasses — what each actually does and which one you need.
ReadCORE CONCEPT
AI vs AR vs XR glasses
Three overlapping acronyms hiding five product categories. A diagram-driven untangling.
ReadDISPLAY SPECS
Field of view (FOV), explained
Why 46° vs 58° is the difference between a TV across the room and a private cinema.
ReadDISPLAY SPECS
Micro-OLED, waveguides, and brightness
How birdbath, waveguide, and micro-LED optics differ — and why nits are a messy metric.
ReadSPATIAL TRACKING
3DoF vs 6DoF
The tracking distinction that decides whether your virtual screen stays put when you lean.
ReadPLATFORM
Android XR, explained
Google's glasses platform, the fall 2026 hardware wave, and why it might reset the market.
ReadRESPONSIBLE USE
Smart glasses, cameras, and privacy
Recording indicators, bystander consent, cloud AI, and the rules — without the panic.
ReadOWNER CARE
How to clean smart glasses lenses safely
The no-alcohol rule, the safe routine, and the damage catalog it prevents — for display and camera glasses.
ReadTHE TRUST QUESTION
Are AR glasses bad for your eyes?
What the evidence actually says about strain, headaches, and long-term unknowns.
ReadMEASUREMENT
IPD, explained
The measurement that quietly decides whether display glasses look sharp or soupy for you.
ReadFALL 2026 TRACKER
Android XR: what actually ships
The dated tracker for Google's glasses platform — confirmed vs reported vs rumor.
ReadBEGINNER QUESTION
Do smart glasses need a phone?
The dependency matrix by category — what works standalone, what needs an app, what needs a tether.
ReadSPECS REALITY
Battery life: claims vs reality
Manufacturer numbers, reviewer observations, and the host-phone drain nobody advertises.
ReadSTREAMING
Netflix on AR glasses? DRM, explained
Why the glasses aren't the problem — your source device is. The platform-by-platform matrix.
ReadDEVICE GUIDE
Rokid Glasses in 2026
Price, specs, and the honest limits of the lightest full-function AI glasses.
ReadTROUBLESHOOTING
No signal? The fix decision tree
Blank display, not detected, black screen — the ordered diagnostic flow that finds the cause.
ReadTROUBLESHOOTING
Why is my XREAL One blurry?
14 real fixes — vision correction, IPD, fit, settings — ordered cheapest-first.
ReadTROUBLESHOOTING
Ray-Ban Meta: pairing, battery, reset
The owner's fix guide for the most common Gen 2 complaints.
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