This Mind-boggling Optical Illusion Had One Viewer Seeking Professional Help

One Reddit member was so perplexed by an optical illusion that they scheduled a consultation with an optician. The image, which was shared on Reddit, depicts grey bricks intersected by green lines to form a grid.

Optical illusion makes people run to optician

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It asks the straightforward inquiry, 'Are the lines curved or straight?' While it does not appear to be anything out of the norm at first glance, with closer study, things begin to become pretty perplexing.

When you look closely, you'll notice that a few of the lines curve before becoming straight again. If you keep watching, the green grid begins to cycle between straight and curved lines, almost resembling train tracks.

The illusion put the user's eyes to the test, so much so, they questioned the Reddit forum whether 'anyone has experienced anything similar?' They were so anxious that they added, '[Does anyone] have any possible therapies since it's driving me insane'.

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by u/TNCerealKilla from discussion All the lines are straight ?
in Damnthatsinteresting

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by u/S0uth3y from discussion All the lines are straight ?
in Damnthatsinteresting

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by u/Jinther from discussion All the lines are straight ?
in Damnthatsinteresting

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by u/QueenOfQuok from discussion All the lines are straight ?
in Damnthatsinteresting

An internet illustrator developed the graphic, which depends on the clever positioning of colours and forms to deceive your brain into seeing curves that aren't really there.

'I gazed at this for a long time, crossed my eyes, and focused a lot, and now my vision has been poor for a year and a half,' commented Reddit user Jon Starkgaryen. 'I've seen an optician and an opthalmologist, and neither can discover anything wrong.

'My actual vision is fine, but it's as if I have this burned in front of everything I see. 'Has anyone ever experienced anything similar and have any possible cures since it's driving me mad.'

According to one Reddit user, "It's the colours of the buildings that make the curves." They're arranged in such a way that one colour spreads across some dwellings in a curving pattern. Because the others around it are various colours, it appears to be a curve when you are not concentrating on it.'

Here's what an expert has to say about the mind-bending image

An internet illusion expert explained why the American illustrator's simple artwork moved so many people. 'The tiles have a low-resolution brightness curve, which is disguised by all the borders,' explained Michael Bach. 'It can be made more visible by using a little blur (4-5).

'The blur occurs spontaneously in our visual system because our visual resolution rapidly goes off from the centre of gaze, generally unnoticed: at 10¡ã eccentricity, our visual acuity is one-tenth that of the central one.

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