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Table 3 List of assessments

From: Towards seeing the visual impairments in Parkinson’s disease: protocol for a multicentre observational, cross-sectional study

Outcome Ophthalmological Assessment
  Subjective ophthalmological assessment
Visual acuity ETDRS logMAR
Reading speed, near visual acuity Radner Reading Chart
Visual fields Humphrey field analyser 30–2, Amsler grid
Contrast vision Low-contrast letter charts (Pelli-Robson),
Colour vision Ishihara plates/Farnsworth Munsell hue test (desaturated 15D)
Ocular motility Eye follow movements, Cover test 30 cm and 6 m, Prism test (15 diopter), Eye-Tracking
Facial emotion recognition Emotion Recognition Inventory (ERI)
Visual function VFQ-25, Visual impairment screening questionnaire
  Objective ophthalmological assessment
Lens opacity Slit lamp examination
Fundus appearance Color Fundusphotography (7-fields)
Corneal thickness Pachymetry
Intraocular pressure (Goldmann) tonometry
Tear production Schirmer’s test, TearFilmBreakUpTime, eye blink rate
Anatomical changes of the retina including thickness Spectral-domain OCT (Heidelberg)
Retinal micro vascular changes Angio-OCT (Heidelberg)
Outcome Neurological assessment
PD-related disability and impairment MDS-UPDRS, Schwab & England activities of Daily living, NMSS, PDQ-39.
Gait and Balance Timed Up and Go test, Single Leg Stance test, Gait Speed (4 m walking), Dual tasking, Freezing of Gait, Tandem gait
Hand-eye coordination 9 Hole Pegboard test
Cognitive function MoCA, CLOX
Mood GDS
  1. List of study protocol assessments, divided in ophthalmological and neurological assessment
  2. Abbreviations: EDTRS Early Treatment of Diabetic Retinopathy Study, D diopter, OCT optical coherence tomography, NMSS non-motor symptoms assessment scale, PDQ-39 Parkinson’s Disease Questionnaire, MoCA [47], Montreal Cognitive Assessment, CLOX, clock drawing test [48], GDS, Geriatric depression scale [49], VFQ-25, visual functioquestionnaire [72, 73]