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Intraocular Lens (IOL) Calculation Improvement

This study has been terminated.
(slow recruitment)
Information provided by (Responsible Party):
University Hospital, Basel, Switzerland Identifier:
First received: June 7, 2011
Last updated: January 7, 2015
Last verified: January 2015
Intraocular Lens (IOL) formulas sometimes differ from expected. Using novel measurement methods before and after cataract surgery improved formulas are tried be developed.

Condition Intervention
Other: biometry calculation

Study Type: Observational
Study Design: Observational Model: Case-Only
Time Perspective: Prospective
Official Title: Intraocular Lens (IOL) Formula Calculation Improvement

Resource links provided by NLM:

Further study details as provided by University Hospital, Basel, Switzerland:

Primary Outcome Measures:
  • postoperative refraction (Diopters) [ Time Frame: 2 years ]

Enrollment: 11
Study Start Date: April 2011
Study Completion Date: May 2013
Primary Completion Date: May 2013 (Final data collection date for primary outcome measure)
Groups/Cohorts Assigned Interventions
cataract patients
cataract patients
Other: biometry calculation


Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Sampling Method:   Non-Probability Sample
Study Population
cataract patients

Inclusion Criteria:

  • older 18
  • clear cornea
  • cataract
  Contacts and Locations
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Please refer to this study by its identifier: NCT01372657

Augenzentrum Bahnhof Basel
Basel, Basel-Stadt, Switzerland, 4051
Sponsors and Collaborators
University Hospital, Basel, Switzerland
Study Director: David Goldblum, MD University Basel
  More Information

Responsible Party: University Hospital, Basel, Switzerland Identifier: NCT01372657     History of Changes
Other Study ID Numbers: EK 304/10
Study First Received: June 7, 2011
Last Updated: January 7, 2015

Keywords provided by University Hospital, Basel, Switzerland:

Additional relevant MeSH terms:
Lens Diseases
Eye Diseases processed this record on May 25, 2017