Reviews and guides for AR glasses, VR headsets, optical inserts, and smart lens tech.
Everything that decides how sharp, comfortable and glare-free a headset looks: pancake vs Fresnel lenses, sweet spot and IPD, field of view, prescription inserts, and eye relief for glasses wearers.
Everything you need to know about ZEISS Optical Inserts for Vision Pro: pricing, prescriptions supported, and how to order.
A complete buyer's guide to prescription VR lens inserts — for Quest 3, Quest Pro, PSVR2, and more.
The three biggest names in consumer smart glasses go head-to-head. Which is best for you?
Mojo Vision is gone, but the smart contact lens dream isn't dead. Here's where the technology actually stands today.
New to AR? This is the only buying guide you need. We cover formats, brands, prices, and what to actually buy in 2026.
A 130-inch virtual screen on your face for under $500. The Xreal Air 2 Pro is finally the AR product worth recommending.
The Quest 3's pancake lenses are a giant leap from the Quest 2's Fresnels. We break down what they nail and where they fall short.
Pancake lenses fold the light path so the panel sits closer to your eye, giving a wider sweet spot, sharper edges and far less glare. Fresnel lenses are brighter and cheaper for the same panel power, but blur off-axis and produce god-rays on bright content.
The sweet spot is the part of the lens where the image is actually in focus. It shrinks fast when the lens is not centred on your pupils, so setting interpupillary distance correctly matters more to perceived sharpness than panel resolution.
Slightly, but far less than wearing glasses. Inserts add a thin lens in front of the headset optic, pushing your eye a millimetre or two back; glasses plus a spacer typically cost several millimetres and a visibly narrower view.
Scattered light. Fresnel grooves throw bright highlights into radial streaks, and any lens stack leaks a little light around high-contrast edges. Pancake optics cut it heavily but do not eliminate halos on very bright objects.
Usually yes with the supplied spacer, but you lose field of view, risk scratching the lenses, and fog more. Pancake headsets have shorter eye relief than older Fresnel ones, so glasses fit worse in them. Prescription inserts are the better solution.
Both use pancake optics, but Vision Pro pairs them with much denser micro-OLED panels and resolves visibly finer text. Quest 3 counters with a wider field of view, lighter weight and a fraction of the price, and reviewers consistently call its clarity excellent for the money.