"I'm an 18-year-old male, and I recently had my eyesight checked. The results showed a spherical power of 1.25 in both eyes, with a cylinder power of 1.50 in the left eye and 0.50 in the right eye, both with an axis of 6. Before this, I hadn't had my eyes tested in two years, and I was previously wearing glasses with a spherical power of 0.00 and a cylinder power of 2.50 in both eyes, with an axis of 180 degrees. I'm confused about why my prescription has changed. I expected it to increase, but it seems to have decreased. What is that