44 Medical services; medical, diagnostic, ophthalmic and ophthalmic diagnostic advisory services; medical, diagnostic, ophthalmic and ophthalmic diagnostic consultancy services; medical, diagnostic, ophthalmic and ophthalmic diagnostic information services; medical, diagnostic, ophthalmic and ophthalmic diagnostic support services; ophthalmology services; rental of apparatus, instruments and devices for eye examination; rental of apparatus, instruments and devices for the detection, diagnosis, management and treatment of eye disease; rental of retinal imaging systems; rental of apparatus, instruments and devices for the visualisation and documentation of the retina and for the visualisation of the retina for detection and management of eye disease; optometry; vision care services; eye care services; provision of optical medical services, ophthalmic services, and ophthalmic diagnostic services; patient management services; medical referral services; provision of medical second opinions; information, advisory and consultancy services relating to the aforementioned services