Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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UNKNOWN
31 participants
OBSERVATIONAL
2015-07-31
2020-12-31
Brief Summary
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Measure the effect of size glasses from1-9% on stereopsis
Population 2:
Measure the effect of size glasses from 1-9% on stereopsis in two settings:
* before and after cataract surgery
* after dilation of the eye
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Detailed Description
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21 eye healthy phakic individuals. Measurements: baseline stereopsis and stereopsis after size glass (1-9%) is added in front of the right eye and in front og the left eye. This measurement provides details on how much size difference a person can endure without impairing stereopsis.
Population 2:
11 phakic eye healthy individuals awaiting cataract operation on both eyes. Measurements are the same as population 1 but this study group is also measured after dilating the eyes. This is to see if accommodation affects the measurement. A postoperative measurement six weeks after cataract operation is also performed to examine if cataract operation affects the measurement.
Conditions
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Study Design
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COHORT
PROSPECTIVE
Study Groups
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Phakic group
21 eyehealthy individuals examined for baseline stereopsis and impact of aniseikonia on stereopsis. An non-invasive measurement.
Measurement of aniseikonia tolerance
Adding sizeglasses of different percent before right and left eye and measure the impact on stereopsis
Cataract group
11 patients awaiting cataract surgery on both eyes. Measurement of baseline stereopsis and impact of artificial induced aniseikonia on stereopsis. A non invasive measurement that are repeated after dilatation of the eyes and again six weeks after surgery.
Measurement of aniseikonia tolerance
Adding sizeglasses of different percent before right and left eye and measure the impact on stereopsis
Interventions
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Measurement of aniseikonia tolerance
Adding sizeglasses of different percent before right and left eye and measure the impact on stereopsis
Eligibility Criteria
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Inclusion Criteria
* cataract grade \<= 1
* visual acuity above 0.8
Exclusion Criteria
* amblyopia
* axial anisometropia
* ametropia
60 Years
95 Years
ALL
Yes
Sponsors
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Glostrup University Hospital, Copenhagen
OTHER
Responsible Party
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Therese Krarup
Principal investigator
Locations
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Rigshospitalet-glostrup
Glostrup Municipality, Danmark, Denmark
Countries
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Facility Contacts
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Other Identifiers
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04127
Identifier Type: -
Identifier Source: org_study_id
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