Abbasoglu O E, Bowman R W, Cavanagh H D, McCulley J P
Department of Ophthalmology, University of Texas Southwestern Medical Center at Dallas 75235-9057, USA.
Ophthalmology. 1998 Dec;105(12):2193-6. doi: 10.1016/S0161-6420(98)91215-5.
To determine the reliability of intraocular pressure (IOP) measurements by Goldmann applanation tonometry and pneumotonometry in eyes treated with excimer myopic photorefractive keratectomy (PRK).
A prospective case series.
Forty consecutive eyes treated with PRK were evaluated.
Central and peripheral corneal Goldmann tonometry and pneumotonometry measurements were done before surgery, at 1 week, and at 1 and 3 months after surgery.
The IOP by Goldmann tonometry from the central cornea was significantly lower than the peripheral IOP; however, there was no difference between IOP measured from central and peripheral corneas by pneumotonometry, which, in turn, correlated with peripheral Goldmann measurements. There was a trend, but not a statistically significant correlation, between the spherical equivalent of the treatment and the amount of decrease in central Goldmann IOP.
Pneumotonometry measures the IOP reliably after PRK from all parts of the cornea, whereas central Goldmann tonometry underestimates the IOP by 2.40+/-1.23 mmHg.
确定准分子激光近视屈光性角膜切削术(PRK)治疗的眼睛中,使用Goldmann压平眼压计和气动眼压计测量眼压的可靠性。
前瞻性病例系列。
对连续40只接受PRK治疗的眼睛进行评估。
在手术前、术后1周、术后1个月和3个月进行中央和周边角膜Goldmann眼压测量和气动眼压测量。
Goldmann眼压计测量的中央角膜眼压显著低于周边眼压;然而,气动眼压计测量的中央和周边角膜眼压之间没有差异,而气动眼压计测量结果与周边Goldmann测量结果相关。治疗的等效球镜度与中央Goldmann眼压降低量之间存在趋势,但无统计学显著相关性。
PRK术后,气动眼压计可从角膜各部位可靠地测量眼压,而中央Goldmann眼压计低估眼压2.40±1.23 mmHg。