Car Lights At Night Without Astigmatism
I cant think of the last time that has happened actually.
Car lights at night without astigmatism. Astigmatism is notorious for giving sufferers severely reduced night vision possibly due to pupil dilation in low light conditions which can exacerbate focal difficulties. Astigmatism treatments can correct blurred vision and make night driving possible. In the photo on the left the car lights are blurred and flaring what someone with astigmatism might see. When all three images moved to facebook in a combined format in february 2019 they clearly resonated with users as what they believed was an accurate illustration of lights at night as seen by people with astigmatism.
A tweet has been shared more than 22000 times which claims to compare how people with and without the eye condition astigmatism see the world at night. Hid lights get shit on so bad because of all those poor retrofits that are done without a proper housing. Astigmatism is a problem with focusing. An irregularly shaped lens or cornea obstructs the light that should focus correctly on the retina.
This is because the pupils dilate at night. You may notice that lights look fuzzy streaky or surrounded by haloes at night which can make driving difficult. The condition worsens at night or in low light conditions since the pupil dilates in need of more light. At night their is a myopic shift so that the glasses rx is somewhat different at night than during the day.
For most this typically applies to night driving. Your new best glasses on then the most likely cause would be some residual astigmatism or a small amount of irregular astigmatism. People in the thread who had not been diagnosed with astigmatism reported that they too saw lights at night in the same smeary way. Glare is light that enters your eye and interferes with your vision.
Even with treatment astigmatism can make driving a risky activity. Or delay in seeking such. The glare from street lights and headlights looks blurry and distorted. Seeing beams of light stretching from car head light and street light.
The march 25 post from unusual facts shows two cars stopped in traffic at night. While this lets in more light it also increases the blurring effect. Even during the day people with astigmatism can experience problems with light and some will see halos. Halos are bright circles that surround a light source like headlights.
If you have astigmatism and wear toric lenses you may still experience poor vision at night.