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Search / Trial NCT05643222

Performance of Red Tinted Contact Lenses on Colour Defects

Launched by NATIONAL UNIVERSITY OF MALAYSIA · Dec 1, 2022

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Trial Information

Current as of February 05, 2025

Completed

Keywords

Anomalous Trichromats Color Vision Defect Contact Lenses

ClinConnect Summary

Six congenital CVD subjects were recruited. After colour vision screening using Ishihara plate, the Farnsworth-Munsell 100 Hue test was carried out to determine the type and severity of colour vision deficiency. Four types of red-tinted CL (Type A, B, C and D) were used. The performance of each of these lenses was determined through the comparison of error scores in the Ishihara test before and after wearing tinted contact lens on only the non-dominant eye. Then, the transmittance of each tinted CL was determined using a spectrophotometer. All these lenses were fitted on the subjects in one...

Gender

ALL

Eligibility criteria

  • Inclusion Criteria:
  • • Age range 18-40 years
  • • all sex
  • • color defect diagnosed with Ishihara Test
  • • no contraindication in contact lens wear
  • Exclusion Criteria:
  • • have ocular and systemic diseases

Trial Officials

Haliza Abdul Mutalib, PhD

Principal Investigator

UKM

About National University Of Malaysia

The National University of Malaysia (Universiti Kebangsaan Malaysia, UKM) is a prestigious institution dedicated to advancing medical research and clinical trials that contribute significantly to the fields of healthcare and biomedical sciences. As a leading academic and research university, UKM is committed to fostering innovation and excellence in clinical research, promoting collaboration among multidisciplinary teams, and enhancing the quality of patient care. The university's robust infrastructure and experienced research faculty facilitate rigorous clinical trials aimed at addressing critical health challenges, thereby improving health outcomes both locally and globally. Through its dedication to ethical research practices and adherence to regulatory standards, UKM strives to enhance the understanding of diseases and develop effective interventions that benefit society.

Locations

Kuala Lumpur, , Malaysia

People applied

Timeline

First submit

Trial launched

Trial updated

Estimated completion

Not reported

Discussion 0

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