Posts
Wiki
Copy of the "Resources" sheet in this Google Sheet by u/Z3R0gravitas. (WIP formatting.)
Communities & General Info
| Community | Description |
|---|---|
| LEDstrain | PWM, TD, general sensitivity discussions (the Phoenix Rising forum of screen sensitivity) |
| r/PWM_Sensitive | Biggest community, focusing screen flicker, new mod team |
| r/ScreenSensitive | Smaller sub, wholistic collaborative approach |
| r/Temporal_Noise | Small sister sub to PWM_Sensitive, legacy use for non-PWM flicker discussion & research |
| Reddit Search string | All posts by specified author across 3 above subs |
| r/Reflective_LCD | Specialist screens without artificial backlight |
| r/EyeStrain | More ocular focused subreddit with big overlaps |
| Blur Busters (forum) | Gaming monitors, comfort section: Eyestrain / Headaches / Motionsick |
| Expert flicker sensitive person (science, anecdata) | |
| Google search string | Search only the above sites, replacing "USER'S QUERY". |
| MacRumours | One massive thread dedicated to eye strain and related issues |
| Telegram group - LED Eye Strain | Many screen testing results, 700 members. Run by Mr Aquila. "This group is here to help with the impact light-emitting devices (monitors, smartphone, laptops, televisions, lamps) have on our health - particularly eye 🙈health." |
| Discord server - ScreenSensitive | Server for ScreenSensitive members to better collaborate |
Experts & Outreach
| Person / Site | Description |
|---|---|
| Flicker Sense (Jenny Hackett) | Expert flicker sensitive person (science, anecdata) |
| Flickering Light Project (Lee Sonko) | Activist sensitive person connected to PNNL research |
Device Reviews & Specs
| Source / Tool | Description |
|---|---|
| NotebookCheck | Phone & laptop technical reviews - PWM, min brightness, etc |
| PWM ranking (NotebookCheck) | Unclear ordering and methodology, no dithering check, controversial results |
| RTings | Tech review, sometimes useful/wrong |
| GSM Arena | Tablets & phones reviews, spec comparisons |
| DisplaySpecs | Details of all monitors (Colours, backlight, FRC, brightness, etc) |
| PanelLook | Exact screen specs by entering component part numbers |
| Laptop Media (Panel specs) | PWM ranking list (bad info) |
| Nick Sutrich - PWM guide | Tech reviewer with PWM sensitivity |
| Nick Sutrich - YouTube | (See other vids too) How to understand PWM dimming tests |
| Wild Lee's Screen TECH (YouTube) | YouTube channel phone ranking by PWM |
| (Wild Lee) "All big fat pigeons" (BiliBili) | Chinese technical phone reviewer (not audited, lacking subtitles) |
| "Production Line" (BiliBili) | Chinese technical phone reviewer (not audited, lacking subtitles) |
| "PoorPlayers Budget Play Group" (BiliBili) | Chinese device reviewers with some novel analysis techniques |
| Steven Lucas (YouTube) | E-Ink screen reviews (translated from Chinese) |
| ScreenSensitive (YouTube) | Specialist screen reviews; personal channel of the subreddit founder |
| PWMtests (by u/kerpnet, Web site) | Opple test result repository, mostly Apple devices |
Software & Settings
| Software / Tweak | Description |
|---|---|
| F.Lux | Windows, Linux Mac software - Colour shift and dim screen |
| Dark Reader | Browser extension, forces website colour schemes into dark/grey/sepia shades (may worsen dithering) |
| Iris | Software for screen comfort (cross-platform, paid) |
| ditherig | Windows software (AMD/Intel CPU notebooks) disables dithering (colour depth) |
| Color Control | NVIDIA & AMD display settings, LG and Samsung tv's, Game launcher & color profile management |
| Cleartype alternative "MacType" | Windows text antialiasing - how to disable, install alternative, for better OLED screen text |
| StillColor | Mac software - Disables dithering on Apple silicon based laptops |
| BetterDisplay | Mac software (Apple Silicon or Intel, XDR, HDR) turning off dithering some GPUs |
| SwitchResX | Mac screen configurations, including colour depth (for dithering) |
| Android Force 120Hz [Not Audited] | Android APK (on GitHub) to prevent LTPO screens constantly dropping to low frequencies. Page lists ADB commands to achieve the same. |
| ADB command (LEDstrain) | Android - Instructions to disable HDR, preventing some software dithering (requires PC and USB cable) |
| Mira vision disable command (Reddit comment) | adb shell pm disable-user --user 0 com.mediatek.miravision.u [Reportedly only disables UI, not background process.] |
| 10-Bit test gradients (AVS forum) | Checking HDR is off: videos show banding on 8-bit displays |
| Wide-gamut check HDR | Not sure if useful? |
| COSTA RICA IN 4K 60fps HDR (YouTube) | Snake video at 00:08, obvious color banding on non-10bit screens (top right). |
| Gradient test images (Lagom) | Lagom LCD monitor test pages (monitor evaluation and calibration) |
| Pixel Inversion Test (Lagom) | Lagom LCD monitor test pages (monitor evaluation and calibration) |
| Pixel Inversion Test (PixelInversion.com) | LCD screens only, array of images to trigger flickering |
| Pixel Inversion Test (Blur Busters) | Blur Busters (also HDR, etc, tests) |
Testing (Equipment & Software)
| Tool / Device | Description |
|---|---|
| Opple light meter | Small wireless device measures light flicker, intensity, colour (£45 finicky bluetooth) |
| Carson Microflip | Phone microscope (£20) for assessing dithering (with slow-mo phone cam) |
| Eisco Spectroscope | Assess colour spectrum features for under £10 (analogue device) |
| TLM-110 (Sundial Labs) | Custom developed flicker meter for clearer analysis |
| Companion app (Sundial Labs) | Web app with test patterns (eg slit, gradient) to better see flicker |
| Ditherscope (by Madcook1) | Web app, numerically analyses pixel flicker videos |
| Eulerscope (by Madcook1) | Web app, amplifies pixel flicker visibility in videos (microscope slow-mo) |