Presbyopia

• Eye & ENT Hospital of Fudan University — Shanghai, China

Not specified

• VIS, Inc. — Austin, Texas, United States
• Clarity Eye Institute — Toronto, Ontario, Canada

Not specified

• Gaoming, Foshan, Guangdong — Foshan, Guangdong, China

• The Ohio State University College of Optometry — Columbus, Ohio, United States

• James P. Grant School of Public Health BRAC University — Dhaka, Bir Uttom A K Khandakar Road, Bangladesh

• iVision Clinic — Campsie, New South Wales, Australia
• Vision Eye Institute - Chatswood — Sydney, New South Wales, Australia
• Personaleyes Parramatta — Sydney, New South Wales, Australia
• Wollongong Eye Specialists — Wollongong, New South Wales, Australia

• Pharmacy school, University of Seville — Seville, Sevilla, Spain

• Asian Eye Institute — Makati City, Philippines