Try the Vector Calculator, which: 1) enables calculations of the sum or difference between two astigmatisms or vectors; 2) displays these calculations on a double angle vector diagram and the corresponding polar diagram as it would appear on an eye.
Find ophthalmology-specific information on COVID-19 from the Academy.
Ophthalmologists who practice in Africa, Asia, Europe, Latin America and the Middle East can apply for the ISRS Externship Program. Stipends available.
The highly-respected refractive surgeon from Brazil leads ISRS into 2020 with several goals.
Use the ISRS Calculators for Vector Planning when treating astigmatism in laser vision correction.
See the most cutting-edge videos in cataract, refractive & cornea.
Stay current with the leading journal in refractive surgery.
Learn from world-renowned refractive and cataract surgeons.
International Society of Refractive Surgery (ISRS)
Learn what makes ISRS a global leader in refractive, cataract, cornea and lens-based surgery.