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Understanding Optical Coherence Tomography Technology in One Article.
Sep 02 , 2025
I. What is OCT? A Core Metaphor Let's understand OCT through a vivid analogy: Imagine a fresh sandwich. A regular camera can only capture its top view (a two-dimensional photo). OCT, however, acts like a precise “optical scalpel.” It can slice the sandwich layer by layer without damage, capturing ultra-high-resolution images of each component (bread, vegetables, meat slices). These cross-sectional...
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Early detection of diabetic retinopathy using OCT imaging
Jan 22 , 2026
1) Traditional Screening Methods and Their Limitations Traditionally, the screening and staging of DR Mainly relied on color fundus photography to observe two-dimensional surface lesions such as retinal microaneurysms, hemorrhage and exudation. However, this method has limitations: Strong subjectivity: Relying on the doctor's experience. Inability to observe deep structures: It is impossible to qu...
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Can one drive after having the OCT eye examination?
May 06 , 2026
1. If it is a "non-mydriatic" examination (without dilating the pupils) - one can drive directly Many of the current high-end OCT devices (especially in routine screenings) have the feature of non-mydriatic examination. If the patient did not receive any eye drops to dilate the pupils before the examination, but simply looked at the cursor of the instrument for a while: Visual status: After the ex...
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