Low cost & High quality 90 D lens using polycarbonate (used for spectacles) instead of glass
Additional benefits:
• Siliconized square shaped lens for better grip and to prevent accidental fall injury to Lens
• Antireflective coating
• Antiscratch coating
• Antifogging coat
• Elbow stand
• Make siliconized rubber covers replaceable with different colours
• Elbow rest from the lens Holder
• Low cost & high quality

Dr. Karthik Srinivasan,

Aravind–Chennai.