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ABSTRACT
A person's vision can change significantly throughout their life due to various internal and external factors, such as genetics and stress. These changes can lead to binocular disturbances, which may affect activities like reading. This study aimed to investigate the short-term impact of artificially impaired binocular vision on reading speed. A total of 51 subjects (n=51), both male and female, aged between 18 and 30 years (average age: 23.75 ± 2.78) were sampled. The researchers determined ocular dominance, optimal refractive correction, accommodation, vergence, and reading speed. Results indicated that the majority of participants had a dominant right eye (n=31; 60.8%) and were emmetropic (n=20; 39.2%). The mean near point of convergence (NPC) break was 8.12 (± 2.7), with a recovery of 11.61 (± 3.18) and a near point of accommodation of 11.28 (± 2.12). Under normal binocular conditions, the average reading speed of participants was 207.20 ± 86.53 words per minute. In comparison, the reading speeds under occluded and blurred viewing conditions were 205.88 ± 63.36 and 206.33 ± 81.70 words per minute, respectively. In conclusion, there was no statistically significant difference in reading speed between normal binocular conditions and the artificially impaired conditions (p < 0.05). Keywords: Binocular Vision, Reading Speed, Artificially-Impaired Vision.
