Healthy male and female adults aged between 18-25 years normal eye function play badminton 3 times per week used to attend badminton competition at university level Racquet sports Sports Exercise Therapy Athletes Vision, Ocular Visual Acuity Accommodation, Ocular
Conditions
Interventions
Briefly, participants held one pencil at arm'
s length in front of them, bringing it slowly and steadily up to the nose while keeping the pencil'
s tip concentrated and visually single. The pencil tip starts to blur when it is very close to the nose, as long as it is still single and there are no two pencil tips visible. When the pencil doubled
s length and begin the procedure again. This process is repeated for 10 minutes, and then the participant rests their eyes for one minute by gazing at the distance.,Rested in a chair with their eyes c
Experimental Other,No Intervention No treatment
a trained group ,an untrained group
Sponsors
None listed
Eligibility
Sex/Gender
All
Age
18 Years to 25 Years
Inclusion criteria
Inclusion criteria: 1) be active members of a university badminton club, 2) regularly engaged in badminton practice for a minimum of 3 hours per day and 3 days per week, 3) not pursuing badminton as a professional career, 4) no prior exposure to similar visual training interventions, 5) best corrected monocular visual acuity with a contact lens of 20/25 or better at far and near using the Snellen chart at 6 meters for far distance and reduced Snellen charts at 14 inches for near distance
Exclusion criteria
Exclusion criteria: 1) no history or presence of the following conditions diagnosed by an optometrist such as strabismus (constant misalignment of the eyes), amblyopia (lazy eye), refractive surgery (e.g., LASIK), manifest or latent nystagmus (involuntary eye movements), and 2) no history of any systemic diseases known to affect vision, such as brain injury or neurological disorders impacting vision and movement.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Amplitude of accommodation 10 minutes the Royal Air Force rule ,Accommodative facility 10 minutes a reduced Snellen chart card ,Near point of convergence 10 minutes a single black dot target | — |
Secondary
| Measure | Time frame |
|---|---|
| the rate of treatment compliance 10 minutes record in the logbook,dropout to the intervention 10 minutes record in the logbook,safety 10 minutes record in the logbook | — |
Countries
Thailand
Contacts
Public ContactAkachai Pokaisasawan
Rangsit University
Outcome results
None listed