Convergence insufficiency symptom survey (CISS) scores are predictive of severity and number of clinical signs of convergence insufficiency in young adult Africans Charles Darko-Takyi; Andrew Owusu-Ansah; Frank Boampong; Enyam Komla Morny; Francisca Hammond; Stephen Ocansey;

Convergence insufficiency: Review of clinical diagnostic signs Liat Gantz; Hadas Stiebel-Kalish;

Translation and validation of convergence insufficiency symptom survey to Italian: Psychometric results Laura Boccardo; Assunta Di Vizio; Giulia Galli; Shehzad A. Naroo; Antonio Fratini; Silvia Tavazzi; Massimo Gurioli; Fabrizio Zeri;