Abstract：
PURPOSE:A single blind prospective randomised study to determine the effect of Viscoat retained in the eye on intraocular pressure (IOP) after phacoemulsification. METHODS:82 patients were randomly selected to receive either Viscoat, a viscoelastic composed of 3% sodium hyaluronate (mol wt 500,000 daltons), and 4% chondroitin sulfate (mol wt 25,000 daltons) or Provisc, a viscoelastic compound composed of 1% sodium hyaluronate (mol wt 4,00,000 daltons) during phacoemulsification. In those patients receiving Viscoat the viscoelastic in the anterior chamber only was removed, whereas in those receiving Provisc attempts were made to remove the material entirely. The IOP was measured on the first postoperative day, 16-20 hours after surgery. RESULTS:The mean postoperative IOP in the Viscoat group was 22.37 +/- 9.0 mmHg and in the Provisc group was 19.67 +/- 6.95 mmHg. Five patients in the Viscoat group had pressure elevations above 30 mmHg as opposed to three in the Provisc group. CONCLUSIONS:The two viscoelastics cause equivalent pressure elevations postoperatively. In the Viscoat group there were five patients with IOPs above 30 mmHg. We recommend that Viscoat should be aspirated from both the anterior chamber and the capsular bag following routine phacoemulsification.
journal_name
Indian J Ophthalmoljournal_title
Indian journal of ophthalmologyauthors
Watts P,Austin Mkeywords:
subject
Has Abstractpub_date
1999-12-01 00:00:00pages
237-40issue
4eissn
0301-4738issn
1998-3689journal_volume
47pub_type
临床试验,杂志文章,随机对照试验abstract：:We report a case of intraconal grease gun injury along with traumatic optic neuropathy in a 20-year-old male. He presented with dimness of vision and proptosis of the left eye (LE) following an accidental injury at work place. The computer tomography of orbit revealed hypodense grease orbit. Cream colored grease was c...
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pub_type： 杂志文章,评审
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journal_title：Indian journal of ophthalmology
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