Frecuencia de parpadeo en estudiantes fumadores activos entre los 18 y 30 años de la universidad Antonio Nariño sede circunvalar

Abstract

The blink frequency is defined as the number of times that it blinks during a certain period of time; it is a variable parameter from one subject to another and also variable within the same subject, depending on visual and environmental factors. The mean values ​​of blink rate are 10 and 15 blinks per minute.

Objective: To determine the blink frequency in smoking patients at the Antonio Nariño University. Methodology: 5 smoking subjects, aged between 18 and 30 years, were included. A background survey was applied. Those who met the inclusion criteria underwent BUT, Schirmer I, and the IBI and OPI tests were used. Results: A change in the blink frequency and in the quality of the tear film (BUT) is evidenced in 100% of the patients, as for the Inter-Blink Interval (IBI) there is a mean of 4.6 seconds with a deviation standard of 0.84; additionally, the ocular protection index (OPI) gave us a result of 20% of the eyes examined <1 which indicates that the ocular surface is exposed. Conclusions: The blink frequency presents a variation in active smokers with a change in more than 50% of the patients in whom its value related to normality parameters increased, this corresponds to tear instability presenting greater tear evaporation in 4 of all 5 patients.