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Fig. 2 | BMC Ophthalmology

Fig. 2

From: Study on the correlation between iris blood flow, iris thickness and pupil diameter in the resting state and after pharmacological mydriasis in patients with diabetes mellitus

Fig. 2

Picture A was an AS-OCT image of a type 2 diabetes adult, with an iris thickness at iris dilator muscle region of 0.307 mm. Picture B was an AS-OCT image of a healthy adult, with an iris thickness at iris dilator muscle region of 0.518 mm. The measurements for the iris sphincter muscle and the iris dilator muscle regions were taken at 0.750 mm from the pupillary margin and at the midpoint between the pupillary margin and the iris root, respectively. The procedure for these measurements involved first determining the distance from the pupillary margin to the iris root and marking the midpoint. Then, at the positions located 0.750 mm from the pupillary margin and halfway along the length of the iris from the pupillary margin, the iris thickness was measured perpendicular to the direction of the iris root.

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BMC Ophthalmology

ISSN: 1471-2415

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