Letter to the Editor - Reply to Mr. Hytowitz Liat Gantz; Dinah Paritzky; Mark Rosenfield;

The repeatability and reproducibility of four techniques for measuring horizontal heterophoria: Implications for clinical practice Nicola S. Anstice; Bianca Davidson; Bridget Field; Joyce Mathan; Andrew V. Collins; Joanna M. Black;

Assessment of an algorithm-based combination device for objective and subjective refraction: accuracy and efficiency across examiner experience levels Antonia Roth; Katharina Breher; Niklas Domdei; Jonas Müller; Siegfried Wahl;