# Prescription windshields for driving a car? **URL:** \ **Category:** Factual Questions\ **Created:** [October 22, 2012, 3:32pm UTC](https://boards.straightdope.com/t/prescription-windshields-for-driving-a-car/638528 "2012-10-22T15:32:24Z")\ **Posts on this page:** 3\ **Page:** 2
**Author:** ![Seanette](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/seanette/32/9139_2.png) [@Seanette](https://boards.straightdope.com/u/Seanette)\ **Post date:** [October 23, 2012, 1:43am UTC](https://boards.straightdope.com/t/prescription-windshields-for-driving-a-car/638528/21 "2012-10-23T01:43:02Z")
> [@kunilou](#): > > I don’t know what kind of prescription anyone else is talking about, but my eyes are so bad I can’t see a thing at windshield distance. I’d have to have correction just so I could focus on the correction. I have the same problem (-8ish in each eye, at last exam). ---
**Author:** ![njtt](https://avatars.discourse-cdn.com/v4/letter/n/ecd19e/32.png) [@njtt](https://boards.straightdope.com/u/njtt)\ **Post date:** [October 23, 2012, 2:00am UTC](https://boards.straightdope.com/t/prescription-windshields-for-driving-a-car/638528/22 "2012-10-23T02:00:24Z")
> [@kunilou](#): > > I don’t know what kind of prescription anyone else is talking about, but my eyes are so bad I can’t see a thing at windshield distance. I’d have to have correction just so I could focus on the correction. You don’t have to be able to focus where the lens is. You don’t focus your eyes on the back surface of your glasses do you? ---
**Author:** ![Seanette](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/seanette/32/9139_2.png) [@Seanette](https://boards.straightdope.com/u/Seanette)\ **Post date:** [October 23, 2012, 2:03am UTC](https://boards.straightdope.com/t/prescription-windshields-for-driving-a-car/638528/23 "2012-10-23T02:03:12Z")
Wouldn’t there have to be a significant adjustment in correction to accommodate the user’s eyes being two or three feet from the lens? [Previous page](https://boards.straightdope.com/t/prescription-windshields-for-driving-a-car/638528.md?page=1)