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. Author manuscript; available in PMC: 2021 Jan 5.
Published in final edited form as: Adv Pediatr Res. 2017 Oct 30;4(3):13. doi: 10.12715/apr.2017.4.13

Figure 7.

Figure 7.

The FAS Facial Photographic Analysis Software was used to measure the 3 FAS facial features.

A) The palpebral fissure length (PFL), philtrum smoothness, and upper lip thinness are measured from three standardized, digital photographs. B) Standardization includes proper rotation, exposure, focus, and facial expression. An internal measure of scale (a 3/4 inch (19.05 mm) paper sticker) is placed on the forehead to measure the PFLs in millimeters.