Innovations in Retinal Imaging

Dear Colleagues,

Retinal imaging has changed dramatically during the last three decades, with increasingly more accurate and innovative technologies. Consequently, it plays an essential role in the documentation, diagnosis, follow-up, and understanding of the pathophysiologic of numerous retinal diseases. Since the development of the first prototype of optical coherence tomography (OCT) in 1993, many innovations have been developed, such as spectral-domain OCT (SD-OCT), swept-source OCT (SS-OCT), en face OCT, OCT angiography, and intraoperative OCT. These innovations have unquestionably improved the resolution and, thus, revolutionized the accuracy of the diagnosis and the management of retinal diseases.

Retinal imaging is a booming field; the development of new technologies, such as multimodal imaging and ultrawide field retinal imaging, makes it possible to describe increasingly reliable, accurate, and precise semiologies. In addition, among new innovative retinal imaging technologies, laser Doppler holography has been shown to be a promising tool that opens exciting perspectives for a better understanding of retinal vascular conditions.

Despite this revolution in ophthalmic imaging, numerous challenges are emerging, such as the place of artificial intelligence (AI). Indeed, the development of this technology is creating unprecedented eye-care paradigms, as the United States Food and Drug Administration approved autonomous AI to detect diabetic retinopathy. Thus, it has enabled disease diagnosis without a clinician's participation. With the galloping development of digital imaging technology, telemedicine, and digital health, the advent of AI could profoundly change how we deliver care to our patients in the next few years.

This Special Issue aims to attract original research and review articles on retinal imaging innovations. We are particularly interested in articles reporting novel concepts, new technologies, or new semiologies. We believe this Special Issue will improve our knowledge and understanding and spot a frontier of information regarding the progress, hopes, and challenges of emerging imaging technologies in ophthalmology.

Dr. Rachid Tahiri
Dr. Florence Coscas
Dr. Michel Puech
Guest Editors

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