Inclusion Criteria:  Adults aged 18 years and over Adults with surgery to remove one eye with at least 1-year follow-up Able to give consent and understand the study Able to cooperate by following instructions  Exclusion Criteria:  - Adults with surgery to remove one eye with less than 1-year follow-up. Concurrent socket pathology (Socket infection or exposure). Giant papillary conjunctivitis. Presence of ocular motility disorders on either side of the face, muscle restrictive disorders, previous trauma, idiopathic orbital inflammatory disease and neurological disorders (cranial neuropathies, multiple sclerosis). Data subjects unable to understand the study and unable to give informed consent. Data subjects considered vulnerable. Ongoing participation in another clinical study.