Apple recently launched the iPhone 13 series smartphones and the Pro series models come with a new camera feature — macro mode, allowing users to take photos as well as videos up-close using the built-in Camera app.

Unlike most users, Doctor Tommy Korn, who is an ophthalmologist, has found out an interesting use-case for the new macro photography mode on the iPhone 13 Pro Max.

The Doctor himself shared details through a LinkedIn post, revealing that he has been using his new iPhone 13 Pro Max to check the patient’s eye with the new camera. With the new macro mode, a detailed image of the eye can be captured, allowing him to observe and record important details about the patient’s eye.

The pictures shown above are related to a case where the patient had a cornea transplant and needs to constantly check if the abrasion is being healed.

For the uninitiated, the Apple iPhone 13 Pro and 13 Pro Max come with an upgraded ultra-wide lens with a larger f/1.8 aperture and 120-degree field of view, capable of taking macro images with just two centimeters of distance.

The Macro mode also extends to video including Slo-mo and Time-lapse. The new iPhone 13 Pro and iPhone 13 Pro Max also come with a new 77mm Telephoto camera, allowing users to zoom while recording videos.

As of now, the switching from standard mode to macro mode happens automatically when the phone comes very close to the subject. However, Apple has said that this will change in the future and users will be able to manually toggle between modes.

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