You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is A 35 years old hypermetrope is using 1.50 D sphere both eyes. Whenever his glasses slip downward on his nose he will feel that his near vision : and explain in detail?
A i.e. Becomes enlarged Have you seen a hypermetropic or presbyopic patient increasing the distance of his spectacles (convex lens) from eyes by slipping the glasses downwards on his nose to make his near vision clear by enlarging the image.