Glare recovery time — Alaska Permit Test
Glare recovery time on the Alaska permit test — 3 rules, each with the reason behind it and a question on it while it is fresh.
The rules
The time your pupils need to readjust after an oncoming vehicle’s headlights pass is called glare recovery time.
Your eyes shrink the pupil against bright light and need a moment to open up again, and in that moment you can barely see the road.
After the vehicle has passed it takes an interval of time for the pupil to readjust to the less intense light. This is called glare recovery time.
During glare recovery time you are virtually driving blind.
A few seconds of near-blindness at highway speed covers a long stretch of road, so a driver who knows it slows and looks away from glare.
During this recovery period you are virtually driving blind.
Glare recovery time varies from person to person and is generally a more acute problem in older drivers.
Good eyesight on a chart does not mean fast recovery from glare, so older drivers in particular need to allow for it at night.
The problem is generally more acute in older drivers and those with certain medical conditions.
On the test
After an oncoming vehicle’s headlights have passed, what is the interval your pupils need to readjust called?
Glare recovery time. Your eyes shrink the pupil against bright light and need a moment to open up again, and in that moment you can barely see the road. Alaska Driver Manual, p.66: “After the vehicle has passed it takes an interval of time for the pupil to readjust to the less intense light. This is called glare recovery time.”
How this works
Most practice tests hand you a bank of questions and leave the manual somewhere else. This one puts them together.
You read one law and the reason behind it, then answer a question on that law while it is still fresh. Get it right and you move on; get it wrong and you have found the gap while it is cheap to fix, not on the morning of the exam.
Learning one rule at a time, and proving it immediately, is what turns a manual you skimmed into something you actually know — and it makes studying feel like getting somewhere rather than like waiting to find out.
What it costs
- One payment, once — not a subscription. Nothing renews and there is nothing to cancel, for an exam you sit one time.
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- Paying opens the rest of the cards, unlimited full-length practice tests, and retests built from exactly the questions you got wrong.
- Every level up to Prepared — 3 tests passed in a row.
- Do the work, fail the real exam, and we refund you.
Where these come from
Every rule here is checked against Alaska Driver Manual, published by the Alaska Department of Administration, and against the state code itself. Last checked 2026-10-04.
- src/assets/drivers-manuals/AK.pdf (Alaska Driver Manual, REV.10/2025, Alaska Division of Motor Vehicles, retrieved 2026-09-14 and re-checked 2026-10-04; sha256 pinned in SOURCES.json)
- src/assets/drivers-manuals/AK.pages.txt (the plain pdftotext fixture every citation here was cut from and verified against; sha256 pinned in SOURCES.json)
- https://dmv.alaska.gov/credential-services/drivermanual/ (read 2026-10-04; links the manual)
- https://dmv.alaska.gov/credential-services/instruction-permit/ (read 2026-10-04; states no count or mark)
- https://dmv.alaska.gov/credential-services/your-first-alaska-drivers-license/ (read 2026-10-04; states no count or mark)
- https://www.akleg.gov/basis/aac.asp?media=print&secStart=2.90.010&secEnd=2.90.990 (2 AAC 90, read 2026-10-04; 2 AAC 90.420(h)(2) sets the knowledge test's retest wait and no figure)