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01.09.2009 | Retinal Disorders | Ausgabe 9/2009

Graefe's Archive for Clinical and Experimental Ophthalmology 9/2009

Anatomical findings of vitreoretinal interface in eyes with asteroid hyalosis

Zeitschrift:
Graefe's Archive for Clinical and Experimental Ophthalmology > Ausgabe 9/2009
Autoren:
Yasutaka Mochizuki, Yasuaki Hata, Takeshi Kita, Ri-Ichiro Kohno, Yuhei Hasegawa, Shuhei Kawahara, Ryoichi Arita, Tatsuro Ishibashi

Abstract

Purpose

To investigate the anatomical features of vitreoretinal interface in eyes with asteroid hyalosis (AH) with optical coherence tomography (OCT) and intravitreal triamcinolone acetonide (TA) during vitreous surgery.

Methods

This study was an interventional clinical case series. Records relating to ten eyes from ten patients who underwent a TA-assisted vitrectomy for the treatment of diverse vitreoretinal diseases complicated with AH. The posterior vitreoretinal interface was examined by preoperative OCT and by intraoperative visualization of posterior vitreous cortex utilizing TA.

Results

In eight of ten AH eyes, preoperative OCT revealed abnormal vitreoretinal adhesions. In four of these eight eyes, posterior vitreoschisis could be seen on OCT. In the other four of these eight eyes, a clear no posterior vitreous detachment (PVD) pattern could be seen on OCT. Although posterior vitreous cortex could not be clearly identified with preoperative OCT in two of ten AH eyes, a complete PVD was refuted by intraoperative visualization of the posterior vitreous cortex with TA identical to the other eight eyes.

Conclusion

These results indicate that complete PVD appears to be unlikely to occur in eyes with AH. In addition, spontaneous PVD in eyes with AH might lead to vitreoschisis or residual whole layer or posterior vitreous cortex, possibly due to anomalous vitreoretinal adhesion.

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