Researchers at the Stanford University School of Medicine have developed two inexpensive adapters that enable a smartphone to capture high-quality images of the front and back of the eye. The adapters make it easy for anyone with minimal training to take a picture of the eye and share it securely with other health practitioners or store it in the patient’s electronic record.
The researchers see this technology as an opportunity to increase access to eye-care services as well as to improve the ability to advise on patient care remotely.
The standard equipment used to photograph the eye is expensive — costing up to tens of thousands of dollars — and requires extensive training to use properly. Primary care physicians and emergency department staff often lack this equipment, and although it is readily available in ophthalmologists’ offices, it is sparse in rural areas throughout the world.
“Adapting smartphones for the eye has the potential to enhance the delivery of eye care — in particular, to provide it in places where it’s less accessible,” said Myung. “Whether it’s in the emergency department, where patients often have to wait a long time for a specialist, or during a primary-care physician visit, we hope that we can improve the quality of care for our patients, especially in the developing world where ophthalmologists are few and far between.”
“A picture is truly worth a thousand words,” he added. “Imagine a car accident victim arriving in the emergency department with an eye injury resulting in a hyphema — blood inside the front of her eye. Normally the physician would have to describe this finding in her electronic record with words alone. Smartphones today not only have the camera resolution to supplement those words with a high-resolution photo, but also the data-transfer capability to upload that photo securely to the medical record in a matter of seconds.
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