With a tooth transplant he regained his vision.

Can you imagine this? Let them pull out a tooth and put it in your eye, because they have done it with this man and with a good intention, of course, to recover the vision that he had lost 20 years ago.

This patient suffered a rare allergic reaction to iboprofen when he was 13 years old. I don't know what must have been something terrible because it caused severe burns to his cornea. The cornea acts as a windshield, preventing debris and liquids from entering the eyeball and at the same time allowing light to penetrate and reach the retina and optic nerve. If you do not have a cornea, you will go blind.

The burns he had prevented him from having permanent vision in his right eye and in the left he completely lost vision due to an infection. The doctors tried several options for the patient to regain his sight and in the end they resorted to this strange, crazy-looking one that looks like something out of a science fiction movie with touches of gore, a technique that is not as new as it seems, by the way. It is called an osteodontokeratoprosthesis operation or more familiarly a tooth in the eye, because it is literally like that

It is not new because, although it may sound like science fiction, it was a technique developed in the 1960s by Dr. Benedetto Strampeggi and since then they have perfected it. It is a very complex, rare procedure that is only performed in a few medical centers in the world.

How does it work? First a tooth is extracted from the patient's own, it is important that it is from the patient himself, I don't know for what reason, but normally it is a canine tooth, along with the tooth, also because part of the bone and the ligament adjacent to the tooth, then the tooth is carved to create a thin piece and a hole is drilled to insert a small plastic optical cylinder, in this way a kind of lens is created and this is what is implanted later, temporarily under the skin of the cheek or under the skin of the patient's eyelid.

It is left there for several months so that the piece integrates with the living tissue and develops a new blood supply. This detail is important; Our teeth, although they have hard parts like enamel, are not a dead stone, it is a living part of our body and receives a blood supply.

After doing this and once the structure is well integrated, it is extracted from the cheek or wherever it has been placed and is surgically implanted in the front part of the eye. In addition, buccal mucosa is used to cover the dental part, leaving only the optical cylinder visible and through that cylinder the light enters the retina and works, making the light and the patient can see.

This whole process is only done as a last resort, because it is very complex and quite confusing. They have tried a lot of things with this man and apparently they have decided that this was the last thing they could do and it is also a process that takes months, it started in February and the final adjustment was at the end of August, but in the end it has worked for him.

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