Diseases of the visual system: - Disorders of the ocular adnexa or orbit - Disorders of the eyeball - anterior segment - Disorders of the eyeball - posterior segment - Disorders of the eyeball affecting both anterior and posterior segments - Disorders of the visual pathways or centres - Glaucoma or glaucoma suspect - Strabismus or ocular motility disorders - Disorders of refraction or accommodation - Postprocedural disorders of the eye or ocular adnexa - Impairment of visual functions - Vision impairment - Neoplasms of the eye or ocular adnexa - Reasons for contact with the health care system in relation to eyes or vision