Abstract
BackgroundOcular fundus angiography is an indispensable component of the tests utilized for fundus diseases. Dynamic angiography results can provide additional information; however, many difficulties remain. In this study, we introduce a modified method, time-lapse angiography (TLA), to dynamically present imaging results.MethodsTLA, combining time-lapse photography and fundus angiography (using Heidelberg retina angiography II, Germany), includes pre-photographing and post- photosynthesis and ultimately produces a video that is approximately 15 s in length.ResultsFour typical videos in the article showed the characteristics of TLA, including a short and rapid but continuous and integral presentation, highly valid information, high definition, etc.ConclusionsTLA is beneficial for the diagnosis of diseases and the assessment of progression and is convenient for peer communication, patient interpretation, and student education. The application of time-lapse photography in ocular fundus angiography is a monumental and innovative attempt.
Highlights
Ocular fundus angiography is an indispensable component of the tests utilized for fundus diseases
Fluorescein fundus angiography (FFA) and indocyanine green angiography (ICGA) are indispensable components of the tests utilized for fundus diseases
Just as films have developed from 2D to 3D to Imax, and as the form of artistic expression has changed from a flat surface into a three-dimensional one, the development of ocular fundus angiography reports from static and planar to dynamic and stereoscopic is an inevitable trend
Summary
Ocular fundus angiography is an indispensable component of the tests utilized for fundus diseases. We introduce a modified method, time-lapse angiography (TLA), to dynamically present imaging results. Methods: TLA, combining time-lapse photography and fundus angiography (using Heidelberg retina angiography II, Germany), includes pre-photographing and post- photosynthesis and produces a video that is approximately 15 s in length. Results: Four typical videos in the article showed the characteristics of TLA, including a short and rapid but continuous and integral presentation, highly valid information, high definition, etc. Imaging results are recorded by an ophthalmic medical technician, who selects a few typical images and uses a paper-based imaging report to present the results. This downgrades the dynamic changes in eye-ground vessels into isolated and static ones. One of the best devices to use is a Heidelberg retina angiography II (HRA II, Heidelberg Engineering, Heidelberg, Germany), which can record short, one-minute
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