Beta · Now live on Windows

Your screen,
without your glasses.

Take your glasses off and still read your screen comfortably. Type in your prescription once, and DOA adjusts the display to suit your eyes. That's the whole idea.

Display accessibility tool · Not a medical device · Does not replace eye care
Get started See how it works
The effect is subtle by design. Read what to expect ↓
Device Optical Aid · Display profile ─□✕
Active Profile
−3.25 SPH
Display active
Astigmatism
−1.50 CYL @ 90°
Adjustment on
Drag to compare
Reading without DOA. Harder to focus on small text.
Reading without DOA. Harder to focus on small text.
⟺
Without DOA With DOA

Illustration only. The real display effect can't be screen-captured.

Performance
60 fps
Real-time
Color Filter
Deuteranopia
Color filter mode
Filter active

"I wear glasses myself. DOA started as a tool I built for my own desk. I was tired of needing them just to glance at my own screen. Everything on this site is me trying to explain, honestly, what it can and can't do."

DOA Dev
50%

of the world will be near-sighted by 2050, up from a third today

7 hrs

the average person spends nearly seven hours a day on a screen

$0

to get started. Free tier, no card, ready in minutes

Myopia projection: Holden et al., Ophthalmology 2016 · Screen time: DataReportal 2024

How it works

Three steps, then you're set up.

No hardware changes. Just install, enter your glasses prescription, and your screen adjusts to suit you.

STEP 1

Enter Your Prescription

Type in the numbers from your glasses prescription, the same ones your optician gave you. DOA works with SPH, CYL, AXIS, and ADD values.

STEP 2

DOA Adjusts Your Screen

Think of it like noise-cancelling headphones, but for your screen. DOA works out how your display needs to look so that when you see it without glasses, it still looks sharp to you.

STEP 3

Remove Your Glasses & Look

Take your glasses off and look at your screen. Read, browse, work, and watch, then toggle DOA off to compare. The difference is clearest when you go back and forth.

Read this first

It's subtle, and that's the point.

Glasses off. Use DOA without your glasses, at the distance you calibrated for (around 50cm). With them on it looks over-sharpened, so don't assume it's broken. If the effect feels subtle, that's correct: it's a fine adjustment your eye processes without noticing. Toggle it off and on while reading small text and the difference shows up in the comparison. It only fixes blur you actually have. If your screen already looks sharp at that distance, there's little to correct and you'll barely notice it. The blurrier it looks now, the more DOA does. See where your prescription lands →

The sweet spot. For near-sighted users, DOA helps most between roughly −2.00 and −4.50 at a normal desk distance of around 50cm. Milder than that and your screen usually isn't blurry enough to need help. Stronger than that and screen resolution starts to limit how much can be corrected. A useful trick at the strong end: sitting a little closer shifts the whole range in your favour, so a prescription that's out of reach at arm's length can come back into range up close. Lower-resolution displays reduce precision for everyone.

Lights on, screen bright. Your pupil is an aperture: wide open in a dark room, stopped down in bright light. Since blur shrinks roughly in step with your pupil, a bright screen in a lit room (light mode rather than dark) genuinely improves what DOA can do for you, and testing at night in dark mode is the worst case. Why lighting matters →

Give it a few days. The first session can feel slightly odd: a little contrasty, edges not quite where you expect. That's not it failing; it's your visual system meeting an unfamiliar image for the first time. The brain re-tunes to a consistent new input over hours and days, and reading gets measurably easier as it settles. Most people find day three feels noticeably cleaner than day one. Why this happens →

Screen recordings. DOA applies correction at the display level, so it only affects what your own eyes see on your monitor. Screen recording software, OBS, Zoom, Teams, and any other screen share tool capture the raw output before DOA touches it. What the other person sees is always the uncorrected image. That's by design, not a bug. (Free users: the DOA logo in the bottom left is a standard window overlay and will still be visible in recordings.)

Still have questions about how DOA behaves with your specific prescription or setup?

Browse the full FAQ →
Features

One tool, every app on your screen.

Works with your glasses prescription. Real-time, always on, up to 60fps, with no exceptions for which app is open.

Works With Your Prescription

Enter the SPH, CYL, AXIS, and ADD values from your glasses and DOA adjusts your screen display to match. Works with most common prescriptions.

Near-sightedFar-sightedAstigmatismReading glasses

60fps, Near-Zero Lag

Runs in real time, with a slight delay of about 30–50ms that's imperceptible during reading, typing, and browsing. Ideal for everyday use.

Real-time60fps lockedAlways on

Color Filters

Color adjustment modes for Protanopia, Deuteranopia, and Tritanopia, for people who have difficulty distinguishing certain colors. Works on its own, no prescription needed.

Multi-Monitor Support

Apply different display settings per monitor, useful when screens sit at different viewing distances. Premium feature.

Privacy-First Design

DOA never captures Windows system UI, Start menu, login screens, or UAC prompts. Your sensitive information stays protected by design, not just by policy. Everything is processed locally on your device and never transmitted.

What DOA never sees

Some Windows elements are protected by the OS and will not appear in DOA's display layer, keeping your data private.

Login screens & passwords Banking & payment windows UAC prompts System notifications
Who it's for

Most prescriptions are covered. Yours probably is.

10-second check, right now

Take your glasses off and stay where you're sitting. If this sentence has gone soft or blurry, that blur is exactly what DOA corrects. If you can still read it clearly, your eyes already handle this distance on their own, and DOA won't have much to add.

Near-sighted

Things far away look blurry. DOA adjusts your screen so text and images look sharp even without your glasses on.

Far-sighted

Things close up are harder to read. DOA makes small text and fine detail on your screen easier to see up close.

Astigmatism

Everything looks a bit stretched or smeared in one direction. DOA adjusts for that based on your CYL and AXIS values.

Reading glasses

If you use reading glasses for screens and books, DOA can adjust your display so reading is more comfortable up close.

Binocular imbalance

When both eyes don't naturally align, screens can cause double vision or persistent strain. DOA's prism correction adjusts for this so both eyes land on the same image.

Can't afford glasses right now? DOA can still help. A rough estimate of your difficulty, or even just trial-and-error with the sliders, gives the display something to work with. Prescription-free auto-detection is on the roadmap →

Color filters

No prescription? It still helps.

The other half of DOA. Color adjustment modes apply across every app at once. No setup, no calibration, no prescription needed. Just turn it on.

Try the live color simulator →

Protanopia

Difficulty seeing red. Reds appear much darker than they are, sometimes almost black, making them hard to distinguish from dark greens and browns. DOA amplifies the red channel on screen so those tones register clearly.

Deuteranopia

The most common type. Greens shift toward brown and orange, making them nearly indistinguishable from reds, while blues stay unaffected. Red-green difficulty of some kind affects roughly 1 in 12 men. DOA rebalances the green channel so those tones separate cleanly on screen.

Tritanopia

The rarest type, and a different axis from the other two: reds and greens stay readable, but blues drift toward green and yellows can appear pink or wash out entirely. DOA remaps the blue-yellow channel so those colors become visually distinct on your screen.

Pricing

Start free. Upgrade when you're ready.

No credit card required to get started.

Free
$0
Forever free, no card needed
  • 3 hours of use per day
  • 1 saved prescription
  • Single monitor
  • Color filters included
  • Small watermark in corner
Get started free
Premium
$4.99
per month, cancel anytime
or $39.99/year (save 33%)
  • Unlimited daily usage
  • Unlimited saved prescriptions
  • Multi-monitor support Soon
  • Full color filters suite
  • No watermark
  • Priority support
Get Premium

Payments handled by Creem · Subscribe in-app

Free Premium

7 days of Premium, free.

Share quick feedback inside the app and Premium unlocks on its own. No card, no code, and you can earn it again every 30 days. Here's the whole flow.

Step 01

Download & sign in

Download DOA for Windows and create a free account. Takes about a minute.

Step 02

Set up your prescription

Enter the values from your glasses: SPH, CYL, AXIS, or ADD. DOA builds your display profile from these.

Step 03

Use DOA for at least 60 seconds

Turn on the display adjustment and use your screen normally for at least one minute. Browse, read, work, whatever you'd normally do.

Step 04

Turn it off, and a prompt appears

When you turn off the adjustment, a short popup appears automatically. Answer a few quick questions about how the display felt.

Unlocked the moment you submit

The moment you submit your feedback, 7 days of Premium are added to your account automatically. No coupon, no waiting, no card needed. You can earn this once every 30 days.

Download DOA
FAQ

Common questions, straight answers.

DOA works with most standard glasses prescriptions including near-sightedness, far-sightedness, astigmatism, and reading glasses. For near-sighted users the sweet spot is roughly −2.00 to −4.50 at a normal desk distance, and sitting a little closer extends the range for stronger prescriptions. One honest caveat: if you can already read your screen clearly without your glasses at your normal sitting distance, there's no blur to correct and you won't feel much. DOA is for people whose screen is genuinely blurry without correction. The free tier lets you try it with no commitment.
No. DOA adjusts your screen display, not your eyesight. It's designed for screen use only. You'd still need glasses for everything else: driving, reading printed text, and anything away from your screen.
No. DOA is a display accessibility tool. It adjusts how your screen looks. It is not a medical device, is not regulated as one, and does not treat, diagnose, or replace any professional eye care. If you have concerns about your eyesight, please see a qualified eye care professional.
Currently Windows 10 and 11 only. macOS and Linux support are planned for the future.
No. DOA only adjusts your screen. It has no effect on your actual eyesight. It's a tool for making your screen easier to use when you don't have your glasses on. It cannot improve, treat, or change your vision in any way.

More FAQs