Tag 'SPH'
Your optometrist hands you a prescription with numbers and abbreviations that look like a foreign language. SPH, CYL, Axis, ADD, PD — what does it all mean? This simple, jargon-free guide explains every term on your prescription so you can confidently order your glasses online at NationsOptics.
Confused by your eye prescription? Certified optician Rahul Jain with 35+ years of experience explains SPH, CYL, AXIS and ADD in simple language. Learn what every value means and order glasses online with complete confidence at NationsOptics from ₹499.