Table 1.
Demographics, Refractive Errors and Contact Lens Information of Participants (N = 336)
| Characteristics | Number (%) |
|---|---|
| Female | 270 (80.36%) |
| Age (mean ± SD, years) | 19.2 ± 1.4 |
| University | |
| Suan Dusit | 64 (19.05%) |
| Suan Sunandha Rajabhat | 272 (80.95%) |
| Faculty | |
| Management science | 142 (42.26%) |
| Humanities and social science | 78 (23.21%) |
| Innovation and management | 26 (7.74%) |
| Science and technology | 17 (5.06%) |
| Education | 14 (4.17%) |
| Fine arts | 14 (4.17%) |
| Others | 45 (13.39%) |
| Refractive error (median and range, D) | −2.75 (−8.00 to 0.00) |
| Having astigmatism | 105 (31.25%) |
| Purpose of using contact lens | |
| Refractive error correction | 290 (83.31%) |
| Cosmetic purposes | 46 (13.69%) |
| Contact lens experience (median and range, year) | 2.7 (0.1 to 7) |
| Soft contact lens | 336 (100%) |
| Replacement schedule | |
| Daily | 22 (6.55%) |
| Bi-weekly | 6 (1.79%) |
| Monthly | 303 (90.18%) |
| Major reason for purchasing particular contact lens | |
| Comfortable feeling | 277 (82.44%) |
| Contact lens brand | 49 (14.58%) |
| Cost | 10 (2.98%) |
| Contact lens brand | |
| Duna | 119 (35.42%) |
| Bausch + Lomb | 60 (17.86%) |
| Maxim | 45 (13.39%) |
| Kitty Kawaii | 27 (8.04%) |
| Acuvue | 13 (3.87%) |
| Others | 28 (8.33%) |
| Place of purchase | |
| Optical shop | 222 (66.07%) |
| Flea market | 48 (14.29%) |
| Internet | 44 (13.10%) |
| Department store | 13 (3.87%) |
| Lens wear duration per day | |
| < 8 hours/day | 93 (27.68%) |
| 8–12 hours/day | 216 (64.29%) |
| >12 hours/day | 27 (8.04%) |
| Lens wear per week (mean ± SD, days) | 4.7 ± 1.6 |
| Cleaning solution | |
| Multipurpose solution | 323 (96.1%) |
| Normal saline solution | 8 (2.38%) |
| Tap water | 3 (0.89%) |