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A medical mystery concerns the team in A&E. Gary has been transferred from his North Sea rig to hospital after feeling dizzy with blurred vision. It may be a problem with blood sugar or a vascular issue, but it may also be signs of multiple sclerosis.

Fish factory worker Richard thinks he might have scratched his eye removing a contact lens, but Dr Lalla suspects something much more serious and there is a race against time to get the treatment that Richard urgently requires.

Three-year-old Summer gets the attention of occupational therapist Marc Beswick. The youngster has a condition that means it's hard for her to move her arms and legs. Marc is working to make sure she can gain the skills she needs and also learn how to use an electric wheelchair to get around.