PubMed · 13062521
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E G A VAN BEUNINGEN. 1953. [Pyramidal gonioscope].. https://pubmed.ncbi.nlm.nih.gov/13062521/
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PURPOSE: To determine the haptic position in transsclerally sutured posterior chamber lenses. METHODS: Fifty eyes with transsclerally sutured posterior chamber lenses were evaluated gonioscopically to determine the superior haptic position using previous peripheral iridectomies. RESULTS: The superior haptic of the transsclerally sutured posterior chamber lens was visualized in 31 (62%) of the eyes. In 24 (77%) of the 31 eyes, the haptic was within the ciliary sulcus, and in seven (23%), it was located posterior to the sulcus. A fibrotic membrane was detected around the sutured haptic in 20 (83%) of the 24 lenses located within the sulcus, whereas no fibrosis was seen surrounding the seven haptics outside the sulcus (P < .0001). CONCLUSIONS: Proper positioning of the haptics may be correlated with the development of fibrosis surrounding the haptic and therefore may be an important factor in the long-term stability of transsclerally sutured posterior chamber lenses.
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