![At our uni practical, we had to wear these goggles to replicate tunnel vision (a visual impairment) - they remind me of Gangnam Style which I find funny : r/pics At our uni practical, we had to wear these goggles to replicate tunnel vision (a visual impairment) - they remind me of Gangnam Style which I find funny : r/pics](https://preview.redd.it/gogoa4r2n5i21.jpg?auto=webp&s=0540d6595c3d54ab94c9d5cfe98c74658d5aae41)
At our uni practical, we had to wear these goggles to replicate tunnel vision (a visual impairment) - they remind me of Gangnam Style which I find funny : r/pics
![Mercura tunnel vision prism crystal glasses. Mercura crystal eyes series. Bullett Magazine Volume VI, 2012 — in Brooklyn… | Crystal eye, Glasses, Round sunglass men Mercura tunnel vision prism crystal glasses. Mercura crystal eyes series. Bullett Magazine Volume VI, 2012 — in Brooklyn… | Crystal eye, Glasses, Round sunglass men](https://i.pinimg.com/originals/73/c9/e2/73c9e2091d8cf2b3feca4a8f81bcc022.png)
Mercura tunnel vision prism crystal glasses. Mercura crystal eyes series. Bullett Magazine Volume VI, 2012 — in Brooklyn… | Crystal eye, Glasses, Round sunglass men
![High-Power Prismatic Glasses Can Expand Visual Fields up to 30 Degrees - Medical Design and Outsourcing High-Power Prismatic Glasses Can Expand Visual Fields up to 30 Degrees - Medical Design and Outsourcing](https://media-ecn.s3.amazonaws.com/embedded_image/2016/05/prism-glasses.jpg)