Final answer:
To show appropriate understanding, the client should state that they will avoid rubbing their eye, use the prescribed eye drops correctly, and wear sunglasses outdoors to protect their eyes.
Step-by-step explanation:
To indicate appropriate understanding of the teaching, the client should make the following statements: "I will avoid rubbing my eye." "I will use the prescribed eye drops as directed." and "I will wear sunglasses outdoors to protect my eyes." These statements demonstrate understanding of the importance of not rubbing the eye to avoid injury or infection, the need to use the prescribed eye drops according to the instructions for proper healing, and the necessity of wearing sunglasses outdoors to protect the eyes from harmful UV rays.