Acta Scientific Ophthalmology (ISSN: 2582-3191)

Research Article Volume 6 Issue 4

Comparision of the Contrast Sensitivity Test with Different Modes of Refractive Correction in Myopes with Low Astigmatism

Anisha Adhikari1*, Ankita Mishra1, Aparajita Kar2 and Hari R2

1B.Sc Optometry, Intern Optometrist, Vittala International Institute of Ophthalmology, Bengaluru, India
2Assistant Professor, Vittala International Institute of Ophthalmology, Bengaluru, India

*Corresponding Author: Anisha Adhikari, B.Sc Optometry, Intern Optometrist, Vittala International Institute of Ophthalmology, Bengaluru, India.

Received: March 06, 2023; Published: March 30, 2023

Abstract

Aim: To compare the contrast sensitivity test with different modes of refractive correction in myopes with low astigmatism.

Objectives: To compare different modes of refractive correction to achieve better contrast sensitivity in myopes with low astigmatism.

  • Best corrected spherical equivalent lens in trial frame
  • SCL
  • RGP

To measure CS with Pelli-Robson CS chart and mobile application CS chart (Smart Optometry) with different modes of refractive correction.

Methods: In a prospective clinical trial comprised on 36 eyes of 22 subjects were enrolledbased on inclusion and exclusion criteria. Subjects were corrected by three different modes: 1). Best-corrected SE in trial frame 2)SCL 3)RGP. All the subjects were corrected with BCVA of 0.0 LogMAR and Spherical Equivalent(SE) was calculated. Contrast sensitivity were measured using Pelli-Robson chart and mobile application (Smart Optometry).

Results: Soft contact lens have given better contrast sensitivity as compared to SE in spectacle trial frame and RGP in both Pelli-robson chart and mobile application (Smart Optometry). While by measuring with PR chart and mobile application chart, mobile application gave the good contrast sensitivity. And no significant difference was found between dominant and non-dominant eyes in the patient whom we have included two eyes for the study.

Conclusion: Soft contact lens was better option when compared with RGP and BCVA trial lens as alternative to toric prescription in myopes with low astigmatism.

 Keywords: Pelli-Robson; Mobile Application (Smart Optometry); Contact Lens

References

  1. Dabkowski J., et al. “Soft toric versus spherical contact lenses in myopes with low astigmatism”. International Contact Lens Clinic11-12 (1992): 252-256.
  2. Lee Min-Ah., et al. “Contrast Sensitivity and Glare with Spherical and Toric Soft Contact Lenses in Low-astigmatic Eyes”. Journal of Korean Ophthalmic Optics Society1 (2009): 39-45.
  3. Kingsnorth A., et al. “Mobile app Aston contrast sensitivity test”. Clinical and Experimental Optometry4 (2016): 350-355.
  4. Sapkota K., et al. “Contrast sensitivity function with soft contact lens wear”. Journal of Optometry2 (2012): 96-101.
  5. Grey C. “Changes in Contrast Sensitivity during the First Hour of Soft Lens Wear”. Optometry and Vision Science 9 (1986): 702-707.
  6. Bernstein I and Brodrick J. “Contrast Sensitivities Through Spectacles and Soft Contact L senses”. Optometry and Vision Science4 (1981): 309-313.
  7. Kanonidou E., et al. “A comparative study of visual function of young myopic adults wearing contact lenses vs. spectacles”. Contact Lens and Anterior Eye5 (2012): 196-198.

Citation

Citation: Anisha Adhikari., et al. “Comparision of the Contrast Sensitivity Test with Different Modes of Refractive Correction in Myopes with Low Astigmatism".Acta Scientific Ophthalmology 6.4 (2023): 44-49.

Copyright

Copyright: © 2023 Anisha Adhikari., et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.




Metrics

Acceptance rate35%
Acceptance to publication20-30 days
ISI- IF1.042
JCR- IF0.24

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