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CTRI Number  CTRI/2025/09/095306 [Registered on: 23/09/2025] Trial Registered Prospectively
Last Modified On: 22/09/2025
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Follow Up Study 
Study Design  Other 
Public Title of Study   OPTICAL BIOMETERY IN CATARACT SURGERY:A COMPARATIVE STUDY OF AXIAL LENGTH MEASUREMENTS PRE AND POST CATARACT SURGERY 
Scientific Title of Study   COMPARISION OF AXIAL LENGTH MEASURMENT PRE AND POST CATARACT SURGERY WITH INTRAOCULAR LENS IMPLANTATION USING OPTICAL BIOMETER 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
nil  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Hardi pathak 
Designation  Post DO DNB 
Affiliation  Sankara Eye Hospital Coimbatore 
Address  Sankara eye hospital sathy road near prozone mall saravanampatti siranandhapuram coimbatore tamil nadu

Coimbatore
TAMIL NADU
641035
India 
Phone  9408998312  
Fax    
Email  hardi.pathak12@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Hardi pathak 
Designation  Post DO DNB 
Affiliation  Sankara Eye Hospital Coimbatore 
Address  Sankara eye hospital sathy road near prozone mall saravanampatti siranandhapuram coimbatore tamil nadu

Coimbatore
TAMIL NADU
641035
India 
Phone  9408998312  
Fax    
Email  hardi.pathak12@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Hardi pathak 
Designation  Post DO DNB 
Affiliation  Sankara Eye Hospital Coimbatore 
Address  Sankara eye hospital sathy road near prozone mall saravanampatti siranandhapuram coimbatore tamil nadu

Coimbatore
TAMIL NADU
641035
India 
Phone  9408998312  
Fax    
Email  hardi.pathak12@gmail.com  
 
Source of Monetary or Material Support  
Sankara Eye Hospital 
 
Primary Sponsor  
Name  Hardi pathak 
Address  Sankara eye hospital sathy road near prozone mall saravanampatti siranandhapuram coimbatore tamil nadu 
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 
Hardi pathak  Sankara Eye Hospital  16-A, Sathy Rd, near Prozone Mall, Saravanampatti, Siranandha Puram, Coimbatore, Tamil Nadu 641035
Coimbatore
TAMIL NADU 
9408998312

hardi.pathak12@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee Sankara Eye Hospital  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: H259||Unspecified age-related cataract,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Nil  Nil 
Intervention  Nil  Nil 
Intervention  Nil  Nil 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  85.00 Year(s)
Gender  Both 
Details  patients aged above 18 years undergoing uncomplicated cataract surgery with iol implantation and willing to comply with follow up visitis 
 
ExclusionCriteria 
Details  Eyes with previous intraocular surgery or trauma any posterior segment pathology or any complication during phacoemulsification 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
To compare the postoperative axial length measurments with preoperative values to determine any statistically significant changes  To compare the postoperative axial length measurments with preoperative values to determine any statistically significant changes 
 
Secondary Outcome  
Outcome  TimePoints 
nil  nil 
 
Target Sample Size   Total Sample Size="60"
Sample Size from India="60" 
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)   03/10/2025 
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="0"
Months="11"
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   It is comparision of axial length measurments obtained using an optical biometer before and after cataract surgery with intraocular lens implantation above 18years of age patients 
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