That is calle monovision. It has a lot of drawbacks. Use the search feataure and archives to learn mOre
JCH MD
If you have been wearing a reading contact for years, you are already familiar with monovision. If it works well for you, then why switch to something else? (Try going without your reading contact to see what your vision would be like with both eyes set for distance.) Glasses or contacts can always be used to reverse monovision or to improve near/distance acuity.