Keep in mind the times when a telephone was only a telephone? No, me neither. Within the final 20 years, cell computing has progressed at a sooner price than maybe some other business, with smartphones now able to a lot, rather more than merely permitting one human being to remotely talk with one other. 

The iPhone, particularly, has advanced from a keyboard-less smartphone to cell video games console to DSLR-rivaling digicam, and eagle-eyed Apple followers proceed to seek out new and novel use circumstances for seemingly mundane iPhone features even in 2023.

Japanese optician Sakata Yoshi, as an illustration, just lately used his iPhone’s digicam lens to exhibit how folks with impaired imaginative and prescient see with out the help of glasses. Why? Effectively, we’re not solely certain – however for those who’re eager to grasp how your glasses-wearing pals or members of the family see the world au naturel, Yoshi’s video is value a watch.

As you’ll be able to see by way of the X put up under, Yoshi simulates (presumably his personal) pure imaginative and prescient by utilizing the iPhone’s AF/AE lock digicam perform. This software lets you lock the main target and publicity values when taking a photograph, which is beneficial, say, when capturing scenes with motion within the background, or when attempting your hand at close-up macro images.

【メガネを外した時の見え方】カメラでメガネを通して撮影して、iPhoneなら長押しで「AE/AFロック」。そのままメガネを外せば、そのメガネをかけた人の裸眼の見え方を体験できます。 pic.twitter.com/PC0OidnPgUDecember 7, 2023

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Fairly cool, proper? Right here’s how one can strive Yoshi’s methodology for your self: 

First, place your iPhone’s digicam lens behind a pair of prescription eyeglasses. Click on and maintain wherever within the viewfinder till the AF/AE lock perform seems on the high of the display screen. Then, merely take away the eyeglasses from the view of the iPhone’s digicam. Et voilà! That’s the way you (or the particular person whose glasses you have borrowed) sees the world with out glasses.

In a separate video, Yoshi additionally demonstrates how you can simulate presbyopia – i.e. the shortcoming to see objects up shut – utilizing the identical iPhone perform with no pair of eyeglasses.

【老眼の見え方】 を体験するには、メガネは不要です。少し離れたところにピントを合わせてAFロック。遠くは見えるのに近くの文字はボヤける。本を離すと多少見える。 pic.twitter.com/HBQEcynfWUDecember 7, 2023

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As you’ll be able to see, Yoshi focuses on a barely distant object (the drapes) and prompts AF/AE lock by repeating the steps above. Now, his iPhone digicam can clearly see objects at an analogous distance to the drapes, however objects positioned proper in entrance of the iPhone digicam are blurry. That is much like how somebody with presbyopia experiences the world with out eyeglasses.

By the way, Yoshi’s authentic X posts on this topic had been deleted for violating pointers, however the optician has prefaced his new tweets with the next message: “This won’t go viral once more […] so I am asking everybody for the primary time, please unfold the phrase! Everybody on Twitter! Please share your power with me!”. Thanks for sharing your discovery with us, Yoshi.

For extra lesser-known iPhone options, take a look at our roundup of the 5 hidden iOS methods that will help you navigate your iPhone sooner.

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