The higher the index, the more distortion outside the optical center of the lenses. However, you can get pretty good asperic lenses made in 1.74 for -10.00 and some astigmatism correction. They have some pretty good ones at Zeiss or Hoya lensmaker.
For those eyes, the other options would be LASIK, PRK, refractive lens exchange, contact lenses, RGP lenses, orthokeratology for full or partial correction to wear a less strong lens.See the original question and response on Quora here!
Talk to your local Optometrist for your very own personal eye care and vision correction.
Dr. Yan L. Liang, OD
Contact Warden Optometry to book your vision and health consult.