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Retina Arter Tıkanıklıkları ve Tedavisi...
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Santral Retinal Ven Tıkanıklığı Güncel Tedavisi...
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PureSee Kesintisiz Yüksek Kalitede Görüş
Retina-Vitreous 2000 , Vol 8 , Num 3
Turkish Abstract Abstract Article PDF Similar Articles
ASSESSMENT OF INTRAOCULAR PRESSURE IN VITRECTOMIZED SILICONE-FILLED EYES:
A Clinical Comparison of the Tono-Pen to the Goldmann Applanation Tonometer
Halit OĞUZ1, Sezin KARADEDE1, Şengül Coşkun ÖZDEK2, Berati HASANREİSOĞLU2
1Harran Üniv.Tıp Fakültesi Göz Hastalıkları Ana Bilim Dalı, Şanlıurfa,
2Gazi Üniversitesi Tıp Fakültesi Göz Hastalıkları Ana Bilim Dalı, Ankara
We performed a clinical study comparing the Tono-Pen with Goldmann tonometer in silicone oil-filled vitrectomized eyes. 39 eyes filled with silicon oil following vitrectomy of 35 patients [20 males, 15 females; the mean age±SD; 45.2±6.54 (ranged from 10 to 67)] were enrolled in the study. We measured intraocular pressure of same eyes with both the Tono-Pen and Goldmann tonometers. The mean intraocular pressure values were calculated and compared statistically. The mean intraocular pressure by Tono-Pen and Goldmann tonometers were measured to be 21.62±10.23 mm Hg and 22.78±11.61 mm Hg, respectively. Analysis of the data demonstrated that there was no significant difference between measurements obtained with two tonometers in all ranges of intraocular pressure (p=0.120). Also, the mean Tono-Pen and Goldmann tonometer pressures were respectively 29.86±8.62 and 32.33±9.68 mm Hg for intraocular pressures greater than 21 mm Hg, and there was no significant difference between both tonometers in this subgroup (p=0.095). There was a difference of 3 mm Hg in 23 eyes (71.9%) between two tonometers values. Tono-Pen tonometer overestimated more than 3 mm Hg in three (15.6%) of 32 the Goldmann intraocular pressure readings, and underestimated more than 3 mm Hg in seven (21.9%) of 32 the Goldmann intraocular pressure readings. The Tono-Pen may play a valuable role in measuring intraocular pressure of vitrectomized silicone-filled eyes in which accurate Goldmann applanation tonometry is not possible. Keywords : Goldmann applanation tonometer, Intraocular pressure, Silicone oil, Tono-Pen tonometer, Vitrectomy
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