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    Portable imaging system captures quality images

    Technology pairs traditional ophthalmoscopy, optical device attached to smartphone

     

    Beneficial for medical students

    The portable imaging system also may be an advantage for medical students, most of whom have smartphones and are adept at using them, since they can study ocular anatomy and eye diseases without access to conventional imaging devices located only in hospitals or large clinics, Dr. Russo said.

    “We don’t want to replace the standard, high-end cameras found in hospitals,” Dr. Russo said. “Those are the gold standard. This is something in between that puts a bridge between the screening population and the hospital.”

    Based on the initial images from the device, clinicians may recommend patients undergo additional screening with the sophisticated technology.

    Although the external device lens has been available for several smartphone makes and models, the company is focusing on iPhones because of the quality of the camera and the ability to control the focus and compensate for refractive error, Dr. Russo said.

    The device lens and downloadable app work with the iPhone 5, 5s, 6, 6s, 6Plus, 6sPlus, and 7.

     

    Clinical trials

    The company continues to conduct clinical trials to compare the performance of the smartphone ophthalmoscope with more traditional screening and diagnostic technologies. The various studies, either ongoing or completed, include evaluating the use of the imaging system for ocular fundus photography in hypertensive emergencies and comparing it with slit lamp biomicroscopy for grading vertical cup-to-disc ratio.

    In the latter application, a recently published study found smartphone ophthalmoscopy showed substantial agreement with slit-lamp ophthalmoscopy in a prospective comparative instrument study carried out in 110 patients with ocular hypertension or primary open-angle glaucoma (J Glaucoma. 2016 Sep;25(9):e777-81.).

    In another published study, considerable agreement was shown between smartphone ophthalmoscopy and slit-lamp retinal biomicroscopy for grading of diabetic retinopathy (Am J Ophthalmol. 2015;159: 360-364.).

    The device received FDA Class II 510 (K) exempt listing in December 2014 and is a registered CE Class I device.

     

    Andrea Russo, MD

    E: [email protected]

    Dr. Russo is founder and medical advisor of D-Eye.

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