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Re-issuing the contact lens specification

A patient might ask you to re-issue or revalidate their specification. In this case, you should tell the patient that you cannot do this unless you know which contact lenses the patient is wearing. This is because you are responsible for the content of the specification and, therefore, for ensuring that all details on it are correct. If you have doubts about the specification of the current lenses the patient is wearing, you may need to re-fit the patient.