Which term describes the technique used to view the corneal endothelium with light reflected from the anterior surface?

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Specular reflection is the technique that uses light reflecting off the smooth inner surface of the cornea to produce a mirror‑like image of the endothelial cells. This reflection allows clinicians to visualize the endothelial mosaic, making it possible to assess cell density, size, and regularity—crucial for identifying endothelial health or disease. The other terms refer to structures or conditions unrelated to this imaging method: puncta are tear duct openings, pterygium is a conjunctival growth, and pseudoguttae are non-endothelial corneal changes.