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CTRI Number  CTRI/2025/11/097729 [Registered on: 20/11/2025] Trial Registered Prospectively
Last Modified On: 19/11/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Single Arm Study 
Public Title of Study   Indications and clinical outcomes of Pinhole Pupilloplasty (PPP) 
Scientific Title of Study   A Prospective Analysis of Surgical Indications and Clinical Outcomes of Pinhole Pupilloplasty (PPP) Technique 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Mehul Ahlawat 
Designation  Postgraduate Resident 
Affiliation  Dr. Om Parkash Eye Institute 
Address  Second Floor, Room No. 05, Department of Cataract and Refractive Surgery, Dr. Om Parkash Eye Institute, 117-A, The Mall, Amritsar, Punjab
Second Floor, Room No. 05, Department of Cataract and Refractive Surgery, Dr. Om Parkash Eye Institute, 117-A, The Mall, Amritsar, Punjab
Amritsar
PUNJAB
143001
India 
Phone  9968900008  
Fax    
Email  ahlawat.mehul@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Tushya Om Parkash 
Designation  Cataract and Refractive Surgery Consultant 
Affiliation  Dr. Om Parkash Eye Institute 
Address  Second Floor, Room No. 05, Department of Cataract and Refractive Surgery, Dr. Om Parkash Eye Institute, 117-A, The Mall, Amritsar, Punjab
Second Floor, Room No. 05, Department of Cataract and Refractive Surgery, Dr. Om Parkash Eye Institute, 117-A, The Mall, Amritsar, Punjab
Amritsar
PUNJAB
143001
India 
Phone  9980813156  
Fax    
Email  tushya@aol.in  
 
Details of Contact Person
Public Query
 
Name  Tushya Om Parkash 
Designation  Cataract and Refractive Surgery Consultant 
Affiliation  Dr. Om Parkash Eye Institute 
Address  Second Floor, Room No. 05, Department of Cataract and Refractive Surgery, Dr. Om Parkash Eye Institute, 117-A, The Mall, Amritsar, Punjab
Second Floor, Room No. 05, Department of Cataract and Refractive Surgery, Dr. Om Parkash Eye Institute, 117-A, The Mall, Amritsar, Punjab
Amritsar
PUNJAB
143001
India 
Phone  9980813156  
Fax    
Email  tushya@aol.in  
 
Source of Monetary or Material Support  
Dr. Om Parkash Eye Institute 117-A, The Mall, Amritsar, Punjab, India , 143001 
 
Primary Sponsor  
Name  Mehul Ahlawat 
Address  Dr. Om Parkash Eye Institute, 117-A, The Mall, Amritsar, Punjab, India, 143001  
Type of Sponsor  Other [Self] 
 
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 
Mehul Ahlawat  Dr. Om Parkash Eye Institute   Second Floor, Room No. 05, Department of Cataract and Refractive Surgery, Dr. Om Parkash Eye Institute, 117-A, The Mall, Amritsar, Punjab, India, 143001
Amritsar
PUNJAB 
9968900008

ahlawat.mehul@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Dr Om Parkash Eye Institute Ethics Committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: H186||Keratoconus, (2) ICD-10 Condition: H178||Other corneal scars and opacities, (3) ICD-10 Condition: O||Medical and Surgical,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  NOT APPLICABLE  NOT APPLICABLE 
Intervention  Pinhole Pupilloplasty (PPP)  Pinhole Pupilloplasty (PPP) will be performed under peribulbar anaesthesia using the Single-Pass Four Throw (SFT) Technique by a single surgeon. Participants will be followed up post-surgery on Post-Op Day (POD) 1, after 1 week, 1 month and 3 months. Study will be conducted for a period of 15 months and include patient recruitment for the first 12 months and post-operative follow-up for 3 months. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  80.00 Year(s)
Gender  Both 
Details  Patients aged 18 to 80 years, willing to consent, with visually significant symptoms like glare, photophobia, monocular diplopia attributable to irregular corneal topography, irregular pupils, Urretes Zavalia Syndrome, and prescence of adequate iris tissue for suturing. 
 
ExclusionCriteria 
Details  Age less than 18 yrs, central corneal scar or opacity, active ocular infection, pre existing glaucoma, posterior segment pathology limiting visual potential, iris atrophy, one eyes patient, unable to give consent and comply with follow up schedule. 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Primary clinical indications for performing pinhole pupilloplasty.

To document preoperative clinical parameters and compare postoperative outcomes in terms of
a.Uncorrected and Best-corrected visual acuity
b.Contrast sensitivity
c.Strehl Ratio
d.RMS values – Total, Astigmatism, Spherical, Coma and Trefoil aberrations.
e. Subjective symptom relief using Iris Glare, Appearance and Photophobia Questionnaire.
f. Pupil centration and size.

To document intraoperative and postoperative complications. 
Baseline, Post Operative Day (POD) 1, 1 week, 1 month, 3 months. 
 
Secondary Outcome  
Outcome  TimePoints 
NIL   
 
Target Sample Size   Total Sample Size="25"
Sample Size from India="25" 
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)   01/12/2025 
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="3"
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 - YES
  1. What data in particular will be shared?
    Response - Individual participant data that underlie the results reported in this article, after de-identification (text, tables, figures, and appendices).

  2. What additional supporting information will be shared?
    Response -  Study Protocol

  3. Who will be able to view these files?
    Response - Researchers whose proposed use of the data has been approved by an independent review committee identified for this purpose.

  4. For what types of analyses will this data be available?
    Response - To achieve aims in the approved proposal.

  5. By what mechanism will data be made available?
    Response - Proposals should be directed to [ahlawat.mehul@gmail.com].

  6. For how long will this data be available start date provided 31-03-2026 and end date provided 30-06-2031?
    Response - Beginning 3 months and ending 5 years following article publication.

  7. Any URL or additional information regarding plan/policy for sharing IPD? 
    Additional Information - NIL
Brief Summary  
The objective of this study is to identify and analyze the clinical indications for performing pinhole pupilloplasty in patients with iris-related visual disturbances. 
Additionally, the study aims to compare both subjective and objective visual outcomes before and after surgery. 
Subjective assessment will be based on Iris-GAP scoring, evaluating symptoms such as glare, appearance and photophobia.
Objective assessment will include measurements of visual acuity, contrast sensitivity, pupil centration and size, and a detailed wavefront analysis using parameters such as Strehl Ratio which is a metric derived from Point Spread Function (PSF), and Root Mean Square (RMS) values of Total Aberrations, Astigmatism and Higher-Order Aberrations (HOA) like Coma, Trefoil and Spherical aberrations using iTrace Wavefront Aberrometer.
 
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