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Keyphrases
Astigmatic
70%
South Africa
66%
Refractive State
38%
Optometry
37%
Dioptric Power
32%
Autorefraction
28%
Higher-order Aberrations
25%
Human Eye
19%
Optical System
19%
Linear Optics
18%
Refractive Error
18%
Refractive Status
18%
Autorefractor
17%
Inner Product Space
16%
Vision Screening
16%
Multivariate Analysis
16%
Keratoconus
16%
Eye Health
16%
Chromatic Properties
16%
Low-middle Income Countries
16%
Transference
15%
Optometrist
15%
Stereo Pair
14%
University Students
14%
Multivariate Methods
14%
Ellipsoid
14%
Non-cyclostome
13%
Right Eye
13%
Scatter Plot
12%
Dioptric Power Matrix
12%
Chromatic Aberration
12%
Inconvenience
12%
Apologizing
12%
Gauteng
12%
Presbyopia
11%
Age-related
11%
Multivariate Statistical Techniques
11%
Sub-Saharan Africa
10%
Optometry Services
10%
Academy
10%
Visual Acuity Chart
9%
Spaces of Power
9%
Visual Impairment
9%
Vector Space
9%
Astigmatism
9%
Left Eye
9%
Gaussian Optics
9%
Oculus Pentacam
9%
Accommodative
9%
Emmetropia
8%
Subjective Refraction
8%
Central Corneal Thickness
8%
Corneal Thickness
8%
Spherical Power
8%
Meridional Profile
8%
Ellipsoidal Confidence Region
8%
Johannesburg
8%
Ambient Light Conditions
8%
Learning Disabled
8%
Contact Lens Wearers
8%
LogMAR Chart
8%
School Health Policy
8%
Near Addition
8%
Presbyope
8%
Posterior Corneal Curvature
8%
Curvature Measurement
8%
Spectacle Frames
8%
Facial Anthropometry
8%
Nutrient-rich Foods
8%
Social Protection Programmes
8%
Eye Lens
8%
Gradient Index
8%
Ishihara
8%
Color Vision Testing
8%
Color Vision Deficiency
8%
Transverse Chromatic Aberration
8%
Longitudinal Chromatic Aberration
8%
Change in Frequency
8%
Memory Schema
8%
Instrument Interaction
8%
Afocal
8%
Pinhole Aperture
8%
Matrix Optics
8%
Eye Modeling
8%
Parenthood Status
8%
Entrustable
8%
Knowledge Perception
8%
Preschool Vision Screening
8%
Probability Density Function
8%
Glaucoma Knowledge
8%
Acquired Color Vision Deficiency
8%
Von Graefe
8%
Clinical Population
8%
Body Mass Index
8%
Color Testing
8%
Contrast Level
8%
Low Acuity
8%
High-contrast Visual Acuity
8%
Laryngoscopic
8%
Limpopo Province
8%
Nursing and Health Professions
South Africa
100%
Optometry
72%
Keratoconus
45%
Refraction Error
41%
Myopia
37%
Astigmatism
34%
Multivariate Analysis
30%
Vision Test
25%
Prevalence
22%
Visual Acuity
20%
Contact Lens
20%
Cycloplegic Agent
19%
COVID-19
18%
Public Hospital
17%
Soft Contact Lens
16%
4 Iodo 2,5 Dimethoxyamphetamine
16%
Hand Washing
16%
Color Vision Test
16%
Biometry
16%
Economic and Social Development
16%
Diseases
15%
Optometrist
14%
Anthropometry
14%
Accommodation Paralysis
13%
Hypermetropia
13%
Spectacles
12%
University Student
12%
Ophthalmic Camera
11%
Test Retest Reliability
11%
Cornea Thickness
11%
Body Mass
11%
Correlation Coefficient
11%
Education
11%
Cross-Sectional Study
11%
Tomography
10%
Cornea Curvature
9%
Reproducibility
8%
Central Corneal Thickness
8%
Film
8%
Confidence Interval
8%
Macular Thickness
8%
Retinal Thickness
8%
Clinical Population
8%
Eye Chart
8%
Snellen Chart
8%
Stereopsis Measuring Instrument
8%
Transgender
8%
Glaucoma
8%
Retinoscopy
8%
Eye Axis Length
8%
Refraction Index
8%
Scoping Review
8%
Health Care Policy
8%
School Health Service
8%
Retina Disease
8%
Health Care Access
8%
School Health Nursing
8%
Eye Movement
8%
Artificial Eye
8%
Cross-Sectional Survey
8%
Medical Student
8%
Atropine
8%
Healthcare System
8%
Mental Health
8%
Systematic Review
8%
Eye Care
7%
Clinical Practice
7%
Visual Field
6%
Health Care
6%
Health Care Personnel
5%
Literature Review
5%
Optical Coherence Tomography
5%
Body Height
5%
Health Outcomes
5%
World Health Organization
5%
Medline
5%