PubMed · 736086
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T Hanscom, H E Kaufman. 1978. Postcyclocryotherapy complications.. https://doi.org/10.1016/0002-9394(78)90140-x
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OBJECTIVE: To anatomically and histologically evaluate suturing techniques for sulcus fixation of posterior chamber intraocular lenses. SETTING: Kitano Hospital, Osaka, Japan. METHODS: The reproducibility of three suturing techniques (perpendicular to the eye wall; parallel to the iris; midway between perpendicular to the eye wall and parallel to the iris) were evaluated in a postmortem eye. Histologic sections of another eye and ultrasound biomicroscopy (UBM) images of 21 normal eyes were evaluated to determine the safety zone for the needle to avoid damaging adjacent structures. RESULTS: The ciliary sulcus was completely penetrated in the three techniques in 100, 40, and 70% of cases, respectively. The histologic sections and the UBM images showed that when sutures were placed perpendicular to the eye wall, there was the possibility of postoperative angle closure and suturing parallel to the iris might damage adjacent structures because of a narrow safety zone. CONCLUSIONS: The needle should penetrate obliquely, as in the technique in which the suturing is midway between perpendicular to the eye wall and parallel to the iris. This technique provides better reproducibility and causes less damage to adjacent tissue.
In ocular retinal pathology, several aetiological entities showing various clinical and ophthalmoscopic pictures can simulate a tumour. The contribution of echography to the diagnostic research in ophthalmology is really important and the good knowledge of the difficulties and echographic limits is essential. We specifically report a tubercular granuloma clinically and echographically simulating a ciliary-body melanoma.
Microscopic examination of the surgical margins of an en bloc resection of an intraocular tumor is difficult because of the small size of the specimen. A technique to study the surgical margins of en bloc resections is described that minimizes gross handling of the tissue in the laboratory. Step sections at 1/8-mm intervals along the anteroposterior axis of the eye provide sufficient sampling to detect involvement of the surgical margin. They also allow easy anatomic reconstruction of the tumor with glass slides.