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Intraocular pressure is an essential parameter in evaluating glaucoma development. Reducing intraocularr pressure (IOP) is the only method available to decrease the risk of glaucoma. To evaluate the impact of gender on intraocular pressure (IOP) in Iraqi patients attending Ibn-AL Haitham teaching eye hospital. A cross-sectional study was conducted at Ibn-AL Haitham teaching eye hospital, Baghdad, Iraq, for 4 months (from February 2021 to May 2021). A selected sample of 236 patients (472 eyes) (123) females and (113) males, with an age range between 30 to 60 years old, was examined. All participants underwent a tonometer examination to determine the intraocular pressure (IOP) for both eyes. The design of the tonometer used during this study is Nidek NT 4000 non-contact tonometer). Unpaired t-test statistical analysis was performed, and it was found that there is a significant difference in the mean of (IOP) between males and females. Females had a significantly higher (IOP) reading than males. Women tend to have a higher intraocular pressure than men of the same age group. Also, women possess an increased chance of ocular hypertension a decade earlier than men. [ABSTRACT FROM AUTHOR]

Central corneal thickness has evolved into a crucial parameter and the main factor in glaucoma evaluation. Reducing intraocular pressure (IOP) is the only available method to decrease the risk of glaucoma. Therefore, the accuracy of (IOP) readings is essential. This study intended to evaluate the relation between the central corneal thickness (CCT) and the intraocular pressure (IOP) in Iraqi patients. The cross-sectional study was conducted at Ibn-AL Haitham teaching eye hospital, Baghdad, Iraq, from February 2021 to May 2021 (4 months). A selected sample of 236 patients (472 eyes) (123) females and (113) males, with an age range between 30-60 years old, were examined. First, all participants underwent a central corneal thickness (CCT) measurement for both eyes utilizing corneal topography and pachymeter devices (bon SIRIUS 3D Rotating Scheimpflug Camera and topography system and Topcon SP-3000 specular microscopy). Then, they underwent a tonometer examination to determine the intra ocular pressure (IOP). Also, for both eyes, the design of the tonometer used during this study is Nidek NT 4000 non-contact tonometer. Linear regression analyses were performed to see if the central corneal thickness (CCT) and intraocular pressure (IOP) readings are related. The central corneal thickness (CCT) and intraocular pressure (IOP) measurements were found to have a substantial positive connection. For a total number of eyes (both eyes) of included subjects, (r =0.853, p<0.001). Therefore, intraocular pressure (IOP) measurement by using a non-contact tonometer (NCT) is significantly affected by central corneal thickness among Iraqi subjects, and (IOP) adjustment to (CCT) is required to avoid misdiagnosis. [ABSTRACT FROM AUTHOR]