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The study is aimed to develop a new reaction-time based method for examining the visual field and to study the effect of refractive error on the magnification of a fundus photograph in order to evaluate the true size of a retinal feature.
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| Measure | Description | Time Frame |
|---|---|---|
| Macula-disc centre distance | Measurement is done on a fundus photograph (one visit and one examination for each patient) | one measurement at the start of the study |
| Measure | Description | Time Frame |
|---|---|---|
| Location of the blind spot | The location of the blind spot is screened using Octopus custom made visual field program at the one visit (one visit and one study for each patient) and a novel reaction-time based visual field device. | one measurement at the start of the study |
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Inclusion Criteria:
Exclusion Criteria:
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Healthy volunteers
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| Name | Affiliation | Role |
|---|---|---|
| Eija Vesti, professor | Turku University Hospital | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Turku University Hospital | Turku | 20521 | Finland |
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| ID | Term |
|---|---|
| D003251 | Constriction, Pathologic |
| ID | Term |
|---|---|
| D020763 | Pathological Conditions, Anatomical |
| D013568 | Pathological Conditions, Signs and Symptoms |
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