Validation of the brain injury associated visual impairment - impact questionnaire (BIVI-IQ).

"Declarations Conflict of interestLH and FR were involved in the development of the BIVI-IQ. LP, JK, BH, CH, EW, ML and ST declare that they have no conflicts of interest. Ethical approvalThis study was performed in line with the principles of the Declaration of Helsinki. Approval was granted by a NHS Research Ethics Committee (20/YH/0009). Consent to participateInformed consent was obtained from all individual participants included in the study. Conflict of interest LH and FR were involved in the development of the BIVI-IQ. LP, JK, BH, CH, EW, ML and ST declare that they have no conflicts of interest."

"Funding LH was funded by a Stroke Association Post-Doctoral Fellowship award (SA PDF 19\100003) for this research study. This paper presents independent research funded by the Stroke Association. The views expressed are those of the author and not necessarily those of the Stroke Association."