PMC4406997_01
Anterior segment photographs obtained before surgical
treatment of bilateral persistent pupillary membrane (PPM).
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F1
Slit-lamp examination revealed a persistent pupillary membrane (PPM) in both eyes, but otherwise was essentially normal (Fig. 1).
Surgical membranectomy and pupilloplasty in the left eye.
The PPM was separated by using high-viscosity viscoelastic
material, excised from the anterior lens capsule with curved iris
scissors, and removed by irrigation and aspiration.
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F2
Then a high-viscosity viscoelastic material (Opegan-Hi , Santen, Osaka, Japan) was injected into the anterior chamber and behind the iris to separate the PPM from the anterior lens capsule (Fig. 2), after which the strands were excised with a curved iris scissors.
Histological features of the excised PPM. The PPM is
composed of fibrovascular tissue containing stromal melanocytes,
vascular tubes (arrows), and melanin-rich pigment epithelial cells
(hematoxylin and eosin, 40X).
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F3
Histopathological examination revealed typical features of normal iris tissue in the excised membranes (Fig. 3).
Anterior segment photographs obtained 5 months after
surgical treatment of bilateral persistent pupillary membrane
(PPM).
TOOPHTJ-9-33_F4.jpg
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F4
Postoperatively, the pupils were round and central in both eyes (Fig. 4).