tear change after reading electronic book and printed book tear break up time tear meniscus height hard-
Conditions
Interventions
tear meniscus height,
tear break up time,
corneal fluorescein stain,
questionnaire for ocular symptom score are performed before and after reading electronic-
book ,tear meniscus height,
questionnaire for ocular symptom score are performed before and after reading printed-
Experimental Device,Experimental Device
Reading electronic-
book,reading printed-
Sponsors
Faculty of Medicine Siriraj Hospital, Mahidol University
Eligibility
Sex/Gender
All
Age
18 Years to 60 Years
Inclusion criteria
Inclusion criteria: (1) participants who aged between 18 and 60 years old (2) near best corrected visual acuity (near BCVA) of 20/40 or better (3) ability of using electronic reading devices and reading books
Exclusion criteria
Exclusion criteria: (1) participants who aged less than 18 years or more than 60 years (2) less than 20/40 of near BCVA (3) inability to read or use electronic reading devices (4) presence of any ocular surface diseases (5) uses of eye drop medications or contact lens.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| tear miniscus height, tear break up time before and after 2 intervention, 1 week apart tear meniscus height and tear break up time measured by the Keratograph | — |
Secondary
| Measure | Time frame |
|---|---|
| corneal staining score,ocular symptom score before and after 2 intervention, 1 week apart fluorescein corneal staining for corneal staining score and questionnaire for ocular symptom score | — |
Contacts
Public ContactPinnita Prabhasawat
Unaffiliated
Outcome results
None listed