'''Proxymetacaine 0.5%''', applied directly to the eye, desensitises the cornea and conjunctiva. It is required in many cases to relieve discomfort and allow examination, and for sample collection or treatment. It also allows examination and handling of the nictitating membrane. If topical anaesthesia is used to collect samples for cytology, it can affect the staining. Schirmer tear tests and sample collection should preferably be performed prior to | '''Proxymetacaine 0.5%''', applied directly to the eye, desensitises the cornea and conjunctiva. It is required in many cases to relieve discomfort and allow examination, and for sample collection or treatment. It also allows examination and handling of the nictitating membrane. If topical anaesthesia is used to collect samples for cytology, it can affect the staining. Schirmer tear tests and sample collection should preferably be performed prior to |