Clinical trials: Technical Errors in Surgery
Primary Pterygium, Astigmatism
Preoperative and Postoperative Refractive and Topographic Evaluation in Patients With Primary Pterygium: Comparison of Two Surgical Techniques
This study evaluated changes in refractive status and corneal topography before and after surgical treatment of primary pterygium.
- Trial name
- RETOP (NCT07742995)
- Testing
- Conjunctival Autograft, Amniotic Membrane Transplantation
- Volunteers
- 78 people
- Sponsor
- Instituto de Oftalmología Fundación Conde de Valenciana
Surgical Technical Skill, Technical Errors in Surgery
Comprehensive Surgical Coaching
Simulation in surgical skills training is widely accepted as a necessary step to improve surgical training outside the operating room. Simulation predominately focuses on teaching a specific task or procedure.
- Trial name
- NCT01875679
- Testing
- Comprehensive Surgical Coaching, Conventional Surgical Training
- Where
- Canada
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Unity Health Toronto
Cataract, Refractive Errors
Comparison of Intraocular Lens Power Calculation Methods After Corneal Laser Refractive Surgery in Axial and Refractive Ammertropia
The study aims at determining the best biometry calculation formula to be used in IOL calculation of cataract patients how previously underwent laser refractive correction surgery
- Trial name
- NCT01979172
- Where
- Egypt
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- The National Eye Hospital, Cairo, Egypt
Prostate Cancer, Rectal Cancer
Video Analysis of Errors and Technical Performance Within Minimally Invasive Surgery Short Title: Video Analysis in Minimally Invasive Surgery (VAMIS)
Despite the high volumes, advanced minimally invasive surgery is non-standardised and variations often occur in surgical technique, performance, delivery, team communication, and surgical approach.
- Trial name
- VAMIS (NCT05279287)
- Testing
- Video and kinematic data recording of minimally invasive surgical procedure
- Where
- 5 sites in United Kingdom
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- The Griffin Institute
Myopia, Perfusion; Complications
OCTA Analysis of Macular and Papillary Perfusion After Refractive Surgery in Myopes
Refractive surgery for correction of myopia is very common nowadays. However, various refractive techniques may be associated with increase in the IOP, especially during flap creation.
- Trial name
- NCT04424069
- Testing
- Refractive surgery
- Where
- Egypt
- Volunteers
- 100 people
- Sponsor
- Tanta University
Arthritis of Knee
Study of Surgical Technique With Use of Single-radius Prosthesis in Total Knee Replacement
The purpose of this study is to clinically demonstrate a phenomenon of measurement error that can occur during placement of a specific type of total knee replacement prosthesis (single radius femoral component) using a certain…
- Trial name
- NCT01505452
- Where
- 2 sites in United States
- Volunteers
- 43 people
- Sponsor
- Athens Orthopedic Clinic, P.A.
Efficacy of a Noise Reduction Program, Surgical Complications
Prospective Trial on Noise Reduction in Surgical Operating Theaters
Aim of Study: Adverse effects from noise pollution in operation theatres have been throughly demonstrated. We assessed the impact of a noise reduction program in paediatric surgery.
- Conditions
- Efficacy of a Noise Reduction Program, Surgical Complications, Sound Pressures in the Operating Theatre
- Trial name
- NCT01612754
- Testing
- Noise reduction work place rules, Presence of an examiner in the concerned theatre
- Where
- Germany
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Hannover Medical School
Refractive Errors, Aberration, Corneal Wavefront
Chromatic and Monochromatic Optical Aberrations After Corneal Refractive Surgery
Refractive surgeries can be divided into two distinct categories: 1) corneal surgeries (superficial and deep procedures) carried on the surface of the eye and 2) lens surgeries (phakic IOL, refractive lens exchange) - an…
- Trial name
- NCT03893838
- Where
- Poland
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Wrocław University of Science and Technology
Myopia, Refractive Ametropia
Comparison of Two Rotational Alignment Methods for Astigmatism Correction in SMILE Surgery
Small incision lenticule extraction (SMILE) is a commonly used corneal refractive procedure for correcting myopia and myopic astigmatism.
- Trial name
- NCT07696468
- Testing
- Device-assisted cyclotorsion control during SMILE, Manual limbal marking-guided cyclotorsion adjustment during SMILE
- Where
- China
- Volunteers
- 52 people
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Medical Education, Patient Safety
Digital Microlearning for Patient-Safety Readiness in Nursing Students
This randomized controlled trial evaluated whether a seven-day, patient-safety-focused digital microlearning program improved sustained clinical error recognition and the transfer of safety learning among second-year nursing…
- Conditions
- Medical Education, Patient Safety, Nursing Education
- Trial name
- DigiM-2026 (NCT07367906)
- Testing
- Digital Microlearning Program on Patient Safety
- Where
- Turkey (Türkiye)
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Agri Ibrahim Cecen University