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CTRI Number  CTRI/2025/08/093583 [Registered on: 25/08/2025] Trial Registered Prospectively
Last Modified On: 23/08/2025
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Yoga & Naturopathy 
Study Design  Non-randomized, Active Controlled Trial 
Public Title of Study   Impact of Yoga on Refractive Status and Axial Length 
Scientific Title of Study   Impact of Yoga on Refractive Status and Axial Length In School Children: A Prospective Interventional Study 
Trial Acronym  Nil 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Vandana Kamath 
Designation  Head of Department 
Affiliation  Sankara Eye Hospital, Bangalore 
Address  Deparment of Optometry, Sankara College of optometry, Sankara Eye Hospital, Varthur Main Road, Kunadalahalli Gate, Bangalore
Deparment of Optometry, Sankara College of optometry,Sankara Eye Hospital, Varthur Main Road, Kunadalahalli Gate, Bangalore
Bangalore
KARNATAKA
560037
India 
Phone  09820541584  
Fax    
Email  vandu2388@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Vandana Kamath 
Designation  Head of Department 
Affiliation  Sankara Eye Hospital, Bangalore 
Address  Department of Optometry, Sankara College of optometry,Sankara Eye Hospital, Varthur Main Road, Kunadalahalli Gate, Bangalore
Department of Optometry, Sankara College of optometry,Sankara Eye Hospital, Varthur Main Road, Kunadalahalli Gate, Bangalore
Bangalore
KARNATAKA
560037
India 
Phone  09820541584  
Fax    
Email  vandu2388@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Vandana Kamath 
Designation  Head of Department 
Affiliation  Sankara Eye Hospital, Bangalore 
Address  Department of Optometry, Sankara College of optometry,Sankara Eye Hospital, Varthur Main Road, Kunadalahalli Gate, Bangalore
Department of Optometry, Sankara College of optometry,Sankara Eye Hospital, Varthur Main Road, Kunadalahalli Gate, Bangalore
Bangalore
KARNATAKA
560037
India 
Phone  09820541584  
Fax    
Email  vandu2388@gmail.com  
 
Source of Monetary or Material Support  
Sankara Eye Hospital Varthur Main Road, Kundalahalli Gate, Bangalore, India 560037 
 
Primary Sponsor  
Name  Sankara Eye Hospital 
Address  Sankara Eye Hospital, Varthur main road,Bangalore, India 560037 
Type of Sponsor  Private hospital/clinic 
 
Details of Secondary Sponsor  
Name  Address 
Nil  Nil 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Namratha  Sankara Eye Hospital  Sankara eye hospital, Varthur Main Road, Kundalahalli SIgnal, Bengaluru 560037
Bangalore
KARNATAKA 
09820541584

vandu2388@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Sankara Eye Hospital  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Healthy Human Volunteers  Subjects with Refractive error and without refractive error 
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Nil  Nil 
Intervention  Yoga Therapy for 6 months   1. Kriya 2. Asanas 3. Pranayama 4. Relaxation yoga 
 
Inclusion Criteria  
Age From  8.00 Year(s)
Age To  13.00 Year(s)
Gender  Both 
Details  School going children with and without refractive error are included into the study 
 
ExclusionCriteria 
Details  1. Ocular Surgery
2. History of Neurological Disorder
3. Media Opacity
4. Active Ocular Pathological Diseases
5. Strabismus
6. Amblyopia 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
By Observing both pre and post interventional ocular Parameters of school children: refractive status, axial length and choroidal thickness are analysed  Baseline- 6 months and followup 
 
Secondary Outcome  
Outcome  TimePoints 
Nil  Nil 
 
Target Sample Size   Total Sample Size="644"
Sample Size from India="644" 
Final Enrollment numbers achieved (Total)= "Applicable only for Completed/Terminated trials"
Final Enrollment numbers achieved (India)="Applicable only for Completed/Terminated trials" 
Phase of Trial   N/A 
Date of First Enrollment (India)   05/09/2025 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Applicable only for Completed/Terminated trials 
Estimated Duration of Trial   Years="26"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Open to Recruitment 
Publication Details   N/A 
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Response - NO
Brief Summary   1. Institutional scientific and ethics approval has been taken
2. Design and duration: Prospective Interventional Study. July 2025- June 2026
3. Sample: 644 school children (8-13 yrs), Case and control schools will be included
4. To assess effect of yoga therapy for 6 months on refractive status , axial length and choroidal thickness 
5. Baseline ocular examination: history, visual acuity, refraction) will be evaluated at schools and further diagnostic test like axial length, oct and corneal topography at Sankara Eye Hospital
6. Yoga Module will be given for intervention group for 6 months and reassessment will be done at 6 months
7. Descriptive Analysis will be done and compare pre and post intervention (6months) data of axial length, refractive status and choroidal thickness
 
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