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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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How ZD Medical High-Resolution OCT Platforms Are Revolutionizing Early Ophthalmic Diagnostics
Jul 20 , 2026
In modern ophthalmology, early detection is the ultimate cornerstone of preventing irreversible vision loss. As conditions like age-related macular degeneration (AMD), diabetic retinopathy, and glaucoma continue to rise globally, clinics require diagnostic imaging that balances microscopic precision with patient comfort. This is where Optical Coherence Tomography (OCT) stands as a non-negotiable s...
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