What does the author mean with the statement, "Experts hypothesize that the surge in myopia prevalence is caused by the increased use of computers and smartphones, however definitive research has not been published."?
A. More research is needed to determine the causes of myopia.
B. Computers and smartphones are not a cause of the increase in myopia diagnosis.
C. Myopia diagnoses will most likely increase as computer and smartphone use continue.
D. Research studies on the impact of computers and smartphones on eyesight need to be published.