I believe the answer for your question is C
A fertility doctor is a reproductive endocrinologist — a physician who practices a subspecialty of obstetrics and gynecology called reproductive endocrinology and infertility (REI). REI is an area of medicine that addresses hormonal functioning as it pertains to reproduction and infertility in both women and men.
Answer:
1: It's strange how fast I've become nearsighted.
2: We have just occupied Vienna; a far-sighted man could have foreseen the possibility some considerable time ago.
3: Airy, the astronomer, corrected his own astigmatism by means of a cylindrical lens.
4: She wanted to learn more about the vertical adjustments that need to be made in many strabismus cases.
5: He was aware of the danger of accidentally causing amblyopia of the better eye by treating children below the age of six.
Explanation: