lens design

What are the differences in prescription lens designs?

Just like there are different tools for different jobs, there are different lenses for different vision needs. Even contact wearers benefit from having a pair of prescription lenses. Options include:

  • Single Vision Lenses – the most common type, used for basic visual correction of farsightedness or nearsightedness.
  • Progressives (No-Line Bifocals) – a lens that has a correction for far, intermediate and near, all in one lens, without visible lines.
  • Bifocal – two focal distances (near and far)  in one lens with a visible line.
  • Trifocal – three focal distances (distance, intermediate and near) in one lens with visible lines.
  • Aspheric Lenses – lens can be thinner and lighter, improved cosmetic appearance by gradually changing the curve of the lens.
  • Specialty & Sport Lenses – specifically designed to provide safety or visual enhancement during work or recreation.
  • Computer/Anti-Fatigue Lenses – with widespread use of computers or other electronic devices, many people develop symptoms of Visual Fatigue Syndrome (VFS) or Computer Vision syndrome (CVS), including eyestrain, headaches, blurred vision and neck pain. Specialized lenses can now relieve these symptoms and provide clear, comfortable vision for computer use and other activities.