The nurse knows that he or she needs to revise the instructions once again if the client does not hold their keep a finger over the inner canthus in order to prevent the drops from flowing for 30 to 60 seconds. This is an import part of administering eye drops, and if it is not followed properly, the drops are not as effective. Therefore, if the client does not do this, the nurse should go over the instructions once again to ensure that they are clear to the client.