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May 1972


Arch Ophthalmol. 1972;87(5):594. doi:10.1001/archopht.1972.01000020596021

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To the Editor.  —We defined pupillary and iridectomy block on page 507 of our report and the eyes conformed to that definition. Pupillary-block is interrupted by adequate iridectomy only if aqueous humor is secreted into the posterior chamber of the eye. However, the fact that iridectomy in FAC-NI does not relieve the pupillary-block is an indication of the aqueous humor being secreted into the vitreous. Thus, the anterior hyaloid is pushed forward, blocks the pupil and the iridectomy, and results in flat anterior chamber. We think that pupillary-block is one of the hallmarks of the syndrome of aphakic flat AC treatable by vitriotomy.The theories on the pathogenesis of the aphakic flat AC treatable by vitriotomy are covered in the Comment section of the paper.No evidence of vitreous ciliary adhesions was found in the pathological sections of the eye from patient 16.

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