The use of computers and mobile devices is increasing. Computers and mobile devices help our daily work or study. However,
prolonged use of them may cause computer vision syndrome (CVS). Nowadays, CVS becomes a health problem for everyone
working with computers or mobile devices including college students because it causes dry eyes. It may disrupt reading, doing
professional work, or using a computer which is important for college students to complete academic tasks. Sodium hyaluronate
can be used to overcome the dry eye problem due to CVS. To assess the effectiveness of sodium hyaluronate eyedrops on students
suffering from CVS, pre- and post-administration of sodium hyaluronate was measured for two weeks. Inclusion criteria for this
study were college students aged 20-35 years, using a computer for >2 hours a day, not using nonsteroidal anti-inflammatory
drugs (NSAIDs), not consuming drugs, or having a disease that affects tear production and bearing no pregnancy. Parameters
assessed include tear break-up time using the Tear Break-Up Time (TBUT) test, tear production using the Schirmer I test, the
number of clinically subjective symptoms, and Ocular Surface Disease Index (OSDI) scores. Data were analyzed using student
paired t-tests or Wilcoxon Rank Test. There were statistically significant differences before and after the TBUT (4.4 vs 6.7 seconds;
p