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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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How deep can a medical vein finder see?
Jan 27 , 2026
1. Main detection depth General depth: Most devices can detect veins 0.2 to 1.0cm beneath the skin, but the actual effective imaging range is usually concentrated on the shallower veins under the skin (0.2 to 1.0 cm). Best effect: For clearly visible superficial veins (such as the back of the hand and forearm), the imaging effect is the best. 2. Key influencing factors Skin condition Skin color, f...
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