Assessment Of Objective and Subjective Changes Induced By Multiple Pinhole Glasses: A Comprehensive Study

Background: Several studies have also examined how pinhole glasses affect contrast sensitivity, which is the ability to detect differences in luminance. Some evidence suggests that pinhole glasses can enhance contrast sensitivity, especially in low-light conditions, by limiting glare and diffused light. This could be particularly beneficial for individuals with age-related macular degeneration or other conditions that impair the ability to perceive contrast. Material & Methods: This study is a prospective observational study that aims to evaluate the ocular health and visual acuity of volunteers after the use of multiple pinhole glasses. The study will observe various parameters such as visual acuity (both corrected and uncorrected), subjective and objective refraction, contrast sensitivity, axial length, and ocular symptoms before and after the use of the multiple pinhole glasses. All participants will undergo a comprehensive eye examination, which will include Visual Acuity, Refraction, Contrast Sensitivity, Axial Length. Results: Wearing SPH glasses led to a slight reduction in reading speed, while MPH glasses resulted in a notable improvement in reading speed, with both changes being statistically significant. Wearing both SPH and MPH glasses led to significant increases in various ocular symptoms, with MPH glasses generally showing higher increases across symptoms. All changes were statistically significant (p < 0.001). Conclusion: The findings suggest that while multiple pinhole glasses may offer certain benefits, the effects are highly individual. Further research with larger, more diverse samples is necessary to better understand the full potential and limitations of this optical aid.