摘要
Purpose: To examine the influence of central corneal thickness (CCT), corneal curvature (CC), and axial length (AL) on intraocular pressure (IOP).Methods: Eighty-one clinically normal eyes were included in our study. The IOP, CCT, CC, AL were measured using a Goldmann applanation tonometer, optical pachymeter, keratometer and A-scan ultrasound biometer respectively in all subjects.Results: A highly significant positive correlation was identified between IOP and CCT. Linear regression analysis suggests that an increase in CCT of 0. 010 mm is associated with a 4. 946 mmHg increment in IOP. No significant positive correlation was identified between IOP and CC. P values are 0. 724 and 0.414 respectively for vertical and horizontal readings. A paradoxically reversed correlation was present between IOP and axial length.Conclusion: Corneal thickness is a very important confounding factor in the measurement of intraocular pressure, which warrants further attention in our clinical practice.
Purpose: To examine the influence of central corneal thickness (CCT), corneal
curvature (CC), and axial length (AL) on intraocular pressure (IOP).
Methods: Eighty-one clinically normal eyes were included in our study. The IOP, CCT,
CC, AL were measured using a Goldmann applanation tonometer, optical pachymeter,
keratometer and A-scan ultrasound biometer respectively in all subjects.
Results: A highly significant positive correlation was identified between IOP and CCT.
Linear regression analysis suggests that an increase in CCT of 0. 010 mm is associated
with a 4. 946 mmHg increment in IOP. No significant positive correlation was identified
between IOP and CC. P values are 0. 724 and 0. 414 respectively for vertical and
horizontal readings. A paradoxically reversed correlation was present between IOP and
axial length.
Conclusion: Corneal thickness is a very important confounding factor in the measurement
of intraocular pressure, which warrants further attention in our clinical practice. Eye
Science 2002; 18: 176 - 180.
出处
《眼科学报》
2002年第3期176-180,共5页
Eye Science
关键词
角膜中央厚度
角膜曲度
视轴长度
眼内压测量
影响
intraocular pressure, central corneal thickness, corneal curvature, axial length
