Evaluation of the Acute and Chronic Effect of Smokeless Tobacco on Anterior Segment Parameters
Öz
Aim: To evaluate the acute and chronic effects of smokeless tobacco (ST) on the anterior segment parameters using optical biometry.
Material and Method: The comparative study included 53 right eyes of 53 subjects (study group), who used ST and 54 right eyes of 54 healthy subjects without ST (control group). Following a full ophthalmological examination, baseline measurements were taken with optical biometry and these measurements were repeated at 5, 30 and 60 mins after using ST. Central corneal thickness (CCT) (µm), anterior chamber depth (ACD) (mm), lens thickness (LT) (mm), pupillary diameter (PD) (mm), and axial length (AL) (mm) were measured.
Result: No statistical difference between the control group and study group in terms of CCT, AL, ACL and LT (p=0.771, p=0.706, p=0.546, p=0.984, respectively) however, PD values were statistically significantly different (p=0.040) in baseline measurements. In the study group, similary, no statistically significant difference was determined between the measurements taken before and after ST use in respect of CCT, AL, ACD, and LT (p=0.660, p=0.058, p=0.344, p=0.059, respectively). The changes in the PD value with the use of ST were determined to be statistically significant (p<0.01). Thus, the difference in PD value was found to be statistically significant between 5 and 30 mins, between 5 and 60 mins, and between 30 and 60 mins after ST use (p<0.01, p<0.01, p<0.01 respectively).
Conclusion: ST use did not show any acute and chronic effect on CCT, AL, ACD and LT. However, there was seen to be a significant effect on PD.
Anahtar Kelimeler
Anterior chamber, optical biometry, pupillar diameter, smokeless tobacco, nicotine
Kaynakça
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