Status:
COMPLETED
Effect of Protanopia on the Brightness Perception of Brake Lights
Lead Sponsor:
Aalen University
Collaborating Sponsors:
Karlsruhe Institute of Technology (KIT), Karlsruhe/FRG
Conditions:
Color Blindness, Red
Reaction Time
Eligibility:
MALE
18+ years
Brief Summary
The aim of the offered project is to investigate the influence of protanopia (red blindness) or protanomaly (red vision weakness) on the recognizability of red brake lights with the help of a test per...
Detailed Description
Protanopia is an x-chromosomal inherited cone pigment disorder that related to the red cone,i.e. the L-cone function completely fails. The prevalence of protanopia in the male population is 1%. An inc...
Eligibility Criteria
Inclusion
- informed consent
- male
- age (greater or equal) 18 years
Exclusion
- binocular (high contrast) distant visual acuity worse than 0.8 (16/20)
- spherical ametropia exceeding 8 dpt
- cylindrical ametropia exceeding 2.5 dpt
- manifest strabismus (squint) with diplopia
- relative afferent pupillary defect exceeding 0.3 log units
- anamnestic (patient history) OR morphological (slit lamp --\> anterior segment, ophthalmoscope --\> retina) clue/indicator for a ophthalmologically relevant affection of the eye OR the visual pathway
- S.p. severe ocular trauma
- Current OR s.p. severe intraocular inflammation
- S.p. intraocular surgery within the past three months
Key Trial Info
Start Date :
January 7 2020
Trial Type :
OBSERVATIONAL
Allocation :
ACTUAL
End Date :
March 15 2020
Estimated Enrollment :
16 Patients enrolled
Trial Details
Trial ID
NCT04060238
Start Date
January 7 2020
End Date
March 15 2020
Last Update
March 31 2020
Active Locations (1)
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1
Ulrich SCHIEFER
Aalen, Deutschland, Germany, 73430