Table 1.
Recruitment criteria used to determine presence of visual stress.
Table 2.
Grading scales of participants’ responses on the intuitive colorimeter™ adapted from Aldrich et al (2018) [55].
Fig 1.
Flowchart of spectacle wear diary questionnaire.
Fig 2.
Randomised control trial efficacy of coloured lenses for visual stress symptoms flowchart.
Fig 3.
Schedule of enrolment, interventions and assessment.