Technology developed at USP is able to examine eyes with a mobile phone and makes the procedure more accessible | Ribeirao Preto and France

Technology developed at USP is able to examine eyes with a mobile phone and makes the procedure more accessible | Ribeirao Preto and France



The USP of Ribeirão Preto (SP) has developed technology capable of performing eye examinations with a mobile phone and making the procedure more accessible.

According to Dr. Rodrigo Jorge, one of the creators of the project, the researchers created a device that was able to unite the mobile phone and the lenses used by ophthalmologists to analyze the health of the eyes of patients.

“With the light from the mobile phone itself or with the auxiliary light from the device, we could see the structures at the front of the eye, the cornea, the conjunctiva, the lens, as well as a structure at the back of the eye, the optic nerve, the retina, the blood vessels of the retina,” he explains.

Device made by USP Ribeirão Preto to perform eye examinations in a more accessible way — Photo: Disclosure/USP

The idea is patented, and research showing the effectiveness of the method has already been published in an international scientific journal.

A corporate partner of the researchers has improved the idea and will soon bring the device to market, said physician Carlos Borges, who helped develop the technology.

“The patent has already been filed, research has already been done to demonstrate the effectiveness of the device. It works and is quite good at detecting certain diseases on this test. It is now in the marketing phase. So the partner company that will sell soon”.

Device manufactured by USP Ribeirão Preto to examine patients’ eyes with a mobile phone — Photo: Reproduction/EPTV

The idea for the new product came when Carlos and Doctor Igor Teodoro were students at USP in Ribeirão Preto. During a class, while university students were discussing a research project, the unit was thought through.

The prototype was ready in two months, and the structure was built in a year after collaboration between USP and the private sector.

“During the process, Carlos and the professor, I got the idea to create a device to unite these two parts: the mobile phone and the lens. To facilitate the task of the trained operator to pass this examination, which is expensive, limited to certain hospitals, medical centers with more technology, to take him to regions with less infrastructure.

USP Ribeirão Preto’s technology allows you to take eye pictures and perform examinations with a mobile phone — Photo: Reproduction/EPTV

In order to work, it is not necessary for the doctor to install an application on the mobile phone, nor for the device to be connected to the power supply. Only with a camera and flashlight is it possible to pass the exam. The images are then sent over the Internet for reporting purposes.

Inside the device, there is space to hold the cell phone and point the camera lens at the lens used during examinations, the same as that used in the retinograph, equipment found in hospitals and medical centers. advanced eye clinics.

“We have the part that attaches the mobile phone, another that attaches the lens and another that connects these two structures. This allows us to allow a slightly trained operator to carry out the research, including retinography, fundus examination for a number of diseases, anywhere, without the need for electricity, for more d infrastructure”, explains Igor.

For doctor Carlos Borges, the advantage of the new device is that it can diagnose the patient at an early stage, which facilitates the treatment of the disease.

“If you have a diabetic in primary care who complains that their vision is deteriorating, it takes a very long time for them to get an eye exam and be diagnosed with a problem associated with diabetic retinopathy. Because they are unable to perform an examination, to diagnose, to suspect, to refer with advice, this time is extended and the treatment is slowed down. It is felt not only from an economic point of view, but also from a health point of view, in relation to previous treatments and the attempt to reduce damage to the patient.

Doctors Igor Teodoro and Carlos Borges, from USP Ribeirao Preto, SP — Photo: Reproduction/EPTV

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