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Eyewear
Eyeglasses, goggles or other objects worn over the eyes, usually to aid vision or for protective purposes.
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Eyewear > Eye surgery 
ultrasound
Eyewear; Optometry
Procedures using sound waves to measure certain portions or detect abnormalities within the eye. See A Scan and B Scan.
decentration
Eyewear; Optometry
A complication of refractive surgery. In perfect centration, the center of the corneal ablation exactly coincides with the center of the visual axis and/or pupil. This is like ...
deep lamellar endothelial keratoplasty
Eyewear; Optometry
An endothelial cell transplant technique wherein a disk of endothelial cell tissue is removed from a donor cornea and placed on the underside of the recipient cornea, replacing a ...
depth of focus
Eyewear; Optometry
The range of distance that objects are in focus. Depth of focus is directly affected by accommodation, the ability of the natural crystalline lens within the eye to change shape ...
Sub-categories
- Contact lenses (3070)
- Eye surgery (2811)
- Glasses (802)
- Optometry (16172)
- Sunglasses (524)