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Fig. 1 | Eye and Vision

Fig. 1

From: Evaluation of implanted perforated lacrimal punctal plugs using anterior segment optical coherence tomography

Fig. 1

Preoperative and postoperative measurement of tear meniscus height (TMH) and area (TMA). a Infrared image showing line scan passing through the junction between the lower eye lid and the inferior cornea at the 6 o’clock location. b Preoperative AS-OCT scan showing lower TMH: a line joining upper cornea-meniscus junction to the lower eyelid-meniscus junction (white line, measuring 724 µm). c Preoperative AS-OCT scan showing the TMA (hashed triangle, measuring 0.288 mm2). d Postoperative OCT scan showing TMH (white line 282 µm) and TMA (hashed triangle, 0.021 mm2)

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