You are being invited to take part in research at The University of Sheffield by completing a questionnaire. Before you decide whether or not to participate, it is important that you understand why the research is being done and what it will involve. Please take time to read the following information carefully. You can contact us if anything is unclear or if you would like more information.

The main focus of this research is primary convergence insufficiency (CI). The research will compare responses to the questionnaire between different eye care professionals across the UK.

The questionnaire aims to investigate the:
- Prevalence and investigation of primary CI in adults
- Current treatment of primary CI in adults
- Use of tele-appointments to monitor treatment of CI in adults

You have been invited to complete the questionnaire because you are an Orthoptist or Optometrist. The questionnaire should take approximately 10 minutes to complete, and your responses will be anonymous.

It is up to you to decide whether or not to take part in this research project. If you decide to take part, you can proceed to the next section of this questionnaire where you will be asked to give your consent. Your responses will only be used if you click the ‘submit’ button at the end of the questionnaire. Until that point, you may withdraw from the research project at any time without any negative consequences. After you click the ‘submit’ button we will be unable to withdraw your data from the study as all data is received anonymously.

Researchers contact details:

Hani Alrehaily
PhD student, Division of Ophthalmology & Orthoptics
The University of Sheffield
hadalrehaily1@sheffield.ac.uk

Academic supervisor

Dr Sonia Toor
Lecturer in Orthoptics
Division of Ophthalmology & Orthoptics
The University of Sheffield
sonia.toor@sheffield.ac.uk