07 April 2026 Simon Berney-Edwards 788 Case Updates Expert evidence in a vacuum of facts and startling use of Smart Glasses by the claimant by Simon Berney-Edwards Summary In this interesting case, the Single Joint Expert Witness strayed from their original instructions and developed their opinion without all the facts of the case. And in an interesting turn of events, the second claimant was being coached through his cross-examination using smart glasses. Learning points for Experts Only consider the instructions you are given. If you think you need to consider additional issues, get agreement from your instructing parties and make sure you have all the evidence to enable you to consider that issue. Whilst it was not an expert who used them in this case, do not be tempted to use smart glasses enabling you to be coached through your cross-examination Learning points for Instructing Parties Make sure the expert sticks to their instructions If it has been agreed that they consider other issues, ensure they have the relevant evidence to enable them to reach an informed opinion To continue reading you must be an EWI member, become a member and access exclusive content. Already a member? Login More links Judgment Share Print Tags 07. Receiving Instructions09. Being instructed as a Single Joint Expert16. Criticism and Complaints Related articles Podcast Episode 26: Expert Advisor versus Expert Witness Some guidance for experts in professional disciplinary proceedings Experts who rise above the fray and fully discharge their duties to assist the Court Car-Wizard Limited v Vixen Surface Treatments Limited [2026] EWHC 685 (Ch) Working with Expert Witnesses in Clinical Negligence Claims: Practical Considerations and Common Pitfalls Switch article Kamran Safi v Secretary of State for the Home Department [2026] EWCA Civ 149 Previous Article DA (Whether to replace a Single Joint Expert), Re [2026] EWCOP 7 (T2) Next Article Comments are only visible to subscribers.