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CTRI Number  CTRI/2025/10/096226 [Registered on: 21/10/2025] Trial Registered Prospectively
Last Modified On: 21/10/2025
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Other (Specify) [Prospective]  
Study Design  Randomized, Parallel Group, Multiple Arm Trial 
Public Title of Study   To find out the effective counselling method for accepting the strabismus surgery among the pediatric  
Scientific Title of Study   Comparing the Effectiveness of Different Counselling Methods for Strabismus Surgery in Paediatrics: A Study of Image-based, Animation-based, and Verbal Counselling 
Trial Acronym  NA 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  K Veena 
Designation  Chief Paediatric Ophthalmology & Strabismus Service, 
Affiliation  Aravind Eye Hospital 
Address  Paediatrics Department, Room No 12
Cuddalore main road, Thavalakuppam
Pondicherry
PONDICHERRY
605007
India 
Phone  09442891143  
Fax  0413-2618848  
Email  veena@aravind.org  
 
Details of Contact Person
Scientific Query
 
Name  K Veena 
Designation  Chief Paediatric Ophthalmology & Strabismus Service, 
Affiliation  Aravind Eye Hospital 
Address  Paediatric Department, Room No 12
Cuddalore main road, Thavalakuppam
Pondicherry
PONDICHERRY
605007
India 
Phone  09442891143  
Fax  0413-2618848  
Email  veena@aravind.org  
 
Details of Contact Person
Public Query
 
Name  K Veena 
Designation  Chief Paediatric Ophthalmology & Strabismus Service, 
Affiliation  Aravind Eye Hospital 
Address  A Block ground floor Room No 12
Cuddalore main road, Thavalakuppam
Pondicherry
PONDICHERRY
605007
India 
Phone  09442891143  
Fax  0413-2618848  
Email  veena@aravind.org  
 
Source of Monetary or Material Support  
Aravind Eye Hospital, Cuddaore main road, Thavalakuppam, Pondicherry 605007, India 
 
Primary Sponsor  
Name  Aravind Eye Hospital 
Address  Cuddalore main road, Thavalakuppam, Pondicherry 605 007, India 
Type of Sponsor  Research institution and hospital 
 
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 K Veena  Aravind Eye Hospital  A Block, Room No 12, Ground Floor, Paediatric Ophthalmology Aravind Eye Hospital, Cuddalore main road, Thavalakuppam, Pondicherry
Pondicherry
PONDICHERRY 
09442891143

veena@aravind.org 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee Aravind Eye Hospital  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: H500||Esotropia,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Nil  Nil 
Intervention  Nil  Nil 
Intervention  Nil  Nil 
 
Inclusion Criteria  
Age From  5.00 Year(s)
Age To  16.00 Year(s)
Gender  Both 
Details  Patients aged 5 to 16 years who are advised for strabismus surgery at Aravind Eye Hospital, Pondicherry counselled along with their parents. 
 
ExclusionCriteria 
Details  1. Patients who have already received any ocular surgery.
2. Patients with siblings who have undergone squint surgery.
3. Patients who are specially challenged or systemic illnesses that interfere with the benefits of squint surgery.
4. Patients who are actively advised to undergo other ocular procedures.
5. Patients who are greater than16 years of age.
6. Patients who are not willing to enroll in the study.
 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
The image-based counselling or animation-based counselling will increase strabismus surgery admit rates in comparison to the verbal counselling.   3 months 
 
Secondary Outcome  
Outcome  TimePoints 
Nil   
 
Target Sample Size   Total Sample Size="153"
Sample Size from India="153" 
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)   03/11/2025 
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="1"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Not Yet Recruiting 
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  

Hypothesis

We hypothesize that showing pre-op and post-op photos of past patients who have undergone strabismus surgery at Aravind Eye Care, Pondicherry, will increase the strabismus surgery admit rate. Parents will be more inclined to agree to the surgery after seeing historical success of the surgery.

We further hypothesize that a technical animation on how the procedure is performed extraocular and how it can restore binocular vision will increase the strabismus surgery admit rate. Parents will better understand the surgery and its benefits.

 Aim

To evaluate the difference in effectiveness of using a technical animation, pre-op/post-op images, and verbal communication in counselling for paediatric patients advised for strabismus surgery.

 Objectives

Primary: Evaluate the effectiveness of each counselling method through the respective acceptance rates to surgery.

Secondary: Evaluate the effectiveness of each counselling method through how well it conveys understanding and benefits of the surgery to patients’ parents. This can be seen in the results of the questionnaire’s ‘Surgery Understanding’ section.

 
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