A Critical Assessment of Friedenwald's Technique for Estimating the Coefficient of Rigidity of the Cornea.
Larysa P TutchenkoSudi PatelMykhailo SkovronOlha HorakOleksiy V VoytsekhivskyyPublished in: Journal of ophthalmology (2022)
Friedenwald's technique for estimating the Ko is prone to substantial interoperator error and intersessional differences. According to the technique, the change in Ko following CXL is on par with the expected intersessional change observed in controls.