[Correlations between factors and intraocular pressure following photorefractive keratectomy].
OBJECTIVE
To evaluate the factors related to intraocular pressure (IOP) after excimer laser photorefractive keratectomy (PRK).


METHODS
86 cases 150 eyes of myopia followed over six months after PRK were studied with noncontact tonometer (NCT).


RESULTS
After PRK, a decrease in the IOP was observed. Post-operatively, the IOP reading at 1st month was the highest. The reduction of IOP may be related to the decrease in corneal thickness and corneal curvature (r = 0.361, P < 0.01; r = 0.188, P < 0.05). Regression equation for IOP drop (kPa) = - 0.059 - 0.038X(1) + 0.009X(2)[X(1) = ablation depth (microm), X(2) = decrease in corneal curvature (D)].


CONCLUSIONS
IOP readings after PRK are influenced by corneal thickness, corneal curvature and eye drug times.
Zhang
X
X
Department of Ophthalmology, The First Affiliated Hospital, Suzhou Medical College, Suzhou 215006.
Pan
C
C
Li
L
L
Ding
J
J
D000328:Adult; D005260:Female; D005901:Glaucoma / Q000175:diagnosis; D006801:Humans; D007429:Intraocular Pressure; D054018:Lasers, Excimer; D008297:Male; D018903:Photorefractive Keratectomy; D012044:Regression Analysis