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David Williams

Concepts (323)

Concepts are derived automatically from a person's publications.

Concepts are listed by decreasing relevance which is based on many factors, including how many publications the person wrote about that topic, how long ago those publications were written, and how many publications other people have written on that same topic.

Name Number of pubs Most recent pub Pubs by all authors Concept score Why?
Retinal Cone Photoreceptor Cells
22
1996
31
7.310
Why?
Refractive Errors
12
2000
38
4.610
Why?
Retina
20
1993
204
4.340
Why?
Color Perception
10
1993
27
3.530
Why?
Continental Population Groups
6
2003
125
3.370
Why?
Ethnic Groups
5
2002
160
2.920
Why?
Healthcare Disparities
4
2008
78
2.880
Why?
Residence Characteristics
9
2002
70
2.860
Why?
Light
14
1993
157
2.770
Why?
Vision, Ocular
11
1994
70
2.690
Why?
Ophthalmoscopy
12
2002
38
2.650
Why?
Prejudice
12
2002
52
2.640
Why?
Optics and Photonics
11
1996
43
2.490
Why?
Color Vision Defects
10
1991
15
2.460
Why?
Fluorescence
5
2008
74
2.390
Why?
Retinal Pigment Epithelium
5
2006
15
2.370
Why?
Health Status Disparities
4
2008
47
2.320
Why?
Social Class
5
2002
87
1.920
Why?
Retinal Degeneration
3
2006
39
1.890
Why?
Ocular Physiological Phenomena
6
1994
15
1.840
Why?
Keratomileusis, Laser In Situ
5
2003
33
1.740
Why?
Lipofuscin
4
2008
12
1.740
Why?
Eye
5
1999
54
1.690
Why?
Eyeglasses
4
2002
15
1.630
Why?
Socioeconomic Factors
13
2002
425
1.610
Why?
Vision Disorders
4
1997
73
1.570
Why?
Myopia
5
2002
58
1.530
Why?
Retinal Ganglion Cells
9
1992
73
1.520
Why?
Retinal Pigments
7
1993
10
1.510
Why?
Pupil
8
1994
25
1.460
Why?
Humans
80
1988
37165
1.450
Why?
Retinal Rod Photoreceptor Cells
2
2008
12
1.440
Why?
Diagnostic Techniques, Ophthalmological
5
2003
19
1.440
Why?
Visual Acuity
8
1992
207
1.370
Why?
Poverty
4
2004
133
1.360
Why?
Radiation Injuries, Experimental
2
2008
89
1.280
Why?
Contrast Sensitivity
12
1991
56
1.240
Why?
Cornea
6
1994
202
1.210
Why?
Health Services Accessibility
8
2002
235
1.210
Why?
Fovea Centralis
7
1988
17
1.200
Why?
African Americans
6
2002
230
1.190
Why?
Retinal Vessels
3
2009
38
1.140
Why?
Adult
35
1988
11572
1.110
Why?
Adaptation, Physiological
3
2002
144
1.100
Why?
Sociology, Medical
4
2004
17
1.070
Why?
Stress, Psychological
5
2002
290
1.060
Why?
European Continental Ancestry Group
5
2003
238
1.050
Why?
Photic Stimulation
7
2002
232
1.040
Why?
Eye Movements
7
1992
157
1.030
Why?
Visual Pathways
2
2002
77
1.010
Why?
Hispanic Americans
3
2003
105
0.970
Why?
Corneal Topography
4
2003
39
0.870
Why?
Minority Groups
2
2002
59
0.850
Why?
Refraction, Ocular
4
1994
48
0.840
Why?
Mortality
1
2012
91
0.820
Why?
Health Services
1
2012
76
0.800
Why?
Molecular Imaging
1
2011
3
0.790
Why?
Research Design
3
2005
340
0.790
Why?
Macaca nemestrina
5
2004
86
0.750
Why?
Social Environment
2
2002
90
0.750
Why?
Photoreceptor Cells
7
1988
40
0.740
Why?
Risk Factors
10
2002
2331
0.720
Why?
Atherosclerosis
1
2010
49
0.720
Why?
Retinoscopy
2
2005
6
0.710
Why?
Psychophysics
4
1988
65
0.690
Why?
Health Status Indicators
4
2002
112
0.670
Why?
Fixation, Ocular
4
1990
75
0.670
Why?
Accommodation, Ocular
2
2001
7
0.660
Why?
Lenses
2
2007
13
0.650
Why?
Pigment Epithelium of Eye
1
2008
15
0.650
Why?
Social Justice
3
2002
18
0.650
Why?
Lung Neoplasms
1
2012
435
0.650
Why?
Macaca fascicularis
5
1996
84
0.640
Why?
Male
25
1991
20139
0.630
Why?
African Continental Ancestry Group
2
2005
125
0.620
Why?
Microscopy, Fluorescence
3
2006
277
0.610
Why?
Health Policy
1
2008
89
0.600
Why?
Visual Fields
3
2000
84
0.600
Why?
Pattern Recognition, Visual
5
1990
39
0.590
Why?
Hypertension
1
2010
307
0.590
Why?
Scotoma
1
2006
9
0.580
Why?
Models, Biological
7
1988
1029
0.580
Why?
Visual Field Tests
1
2006
15
0.580
Why?
Photoreceptor Cells, Vertebrate
1
2006
10
0.570
Why?
Cone Opsins
3
2009
3
0.570
Why?
United States
11
2002
2847
0.570
Why?
Health Status
3
2003
306
0.560
Why?
Retinal Diseases
1
2006
46
0.560
Why?
Mydriatics
1
2006
6
0.560
Why?
Models, Neurological
4
1990
131
0.550
Why?
Photometry
1
2005
11
0.550
Why?
Female
22
1992
20222
0.550
Why?
Iris
1
2005
20
0.550
Why?
Calibration
1
2005
44
0.550
Why?
Visual Perception
1
2007
127
0.540
Why?
Emigration and Immigration
3
2002
25
0.530
Why?
Women's Health
2
2002
59
0.530
Why?
Sensation
1
2005
31
0.520
Why?
Delivery of Health Care
2
2003
157
0.520
Why?
Cities
1
2004
7
0.520
Why?
Cell Count
5
1999
287
0.520
Why?
Cultural Characteristics
1
2005
25
0.520
Why?
Asthma
1
2009
314
0.520
Why?
Astigmatism
3
1996
34
0.510
Why?
Urban Health
1
2004
60
0.500
Why?
Cardiovascular Diseases
2
2005
275
0.490
Why?
Nervous System Physiological Phenomena
1
2004
14
0.490
Why?
Image Interpretation, Computer-Assisted
1
2005
104
0.480
Why?
Postoperative Complications
2
2005
764
0.480
Why?
Microscopy, Confocal
5
2008
196
0.460
Why?
Electroretinography
4
2004
31
0.450
Why?
Public Health
1
2004
98
0.440
Why?
Time Factors
7
1990
3234
0.440
Why?
Middle Aged
15
2001
10013
0.430
Why?
Surgical Flaps
1
2003
120
0.420
Why?
Retinoids
2
2011
25
0.420
Why?
Animals
14
1996
16416
0.410
Why?
Models, Theoretical
2
2002
194
0.400
Why?
Neuronal Plasticity
1
2002
99
0.400
Why?
Health Services Research
2
2012
133
0.400
Why?
Tomography, Optical Coherence
3
2006
35
0.390
Why?
Equipment Design
3
2004
253
0.380
Why?
Visual Cortex
1
2002
125
0.380
Why?
Fluorescein Angiography
3
2006
45
0.360
Why?
Macaca mulatta
4
1996
311
0.350
Why?
Optometry
2
2005
2
0.350
Why?
Axons
3
2008
193
0.350
Why?
Reproducibility of Results
4
2003
903
0.340
Why?
Diagnostic Imaging
2
2006
86
0.330
Why?
Dendrites
2
2008
48
0.330
Why?
Sex Factors
2
2008
613
0.320
Why?
Mutation
3
2004
1226
0.300
Why?
Aged, 80 and over
4
2004
2588
0.290
Why?
Reference Values
5
2001
453
0.280
Why?
Vision Tests
2
2005
20
0.270
Why?
Macaca
3
2000
70
0.260
Why?
Phenotype
4
2008
756
0.250
Why?
Urban Population
2
2002
178
0.250
Why?
Nerve Fibers
2
2009
109
0.240
Why?
Prospective Studies
4
2003
1696
0.240
Why?
Aged
7
2002
7392
0.240
Why?
Algorithms
3
2004
543
0.240
Why?
Dependovirus
2
2009
69
0.230
Why?
Optical Illusions
1
1993
6
0.230
Why?
Interferometry
5
1988
18
0.230
Why?
Green Fluorescent Proteins
2
2009
220
0.220
Why?
Risk Assessment
4
2005
875
0.220
Why?
Policy
1
2012
3
0.220
Why?
Genetic Variation
2
2002
147
0.220
Why?
Gene Deletion
2
2010
204
0.220
Why?
Pyridinium Compounds
1
2012
13
0.220
Why?
Politics
1
2012
29
0.220
Why?
Awareness
1
2012
34
0.210
Why?
Social Identification
1
2012
14
0.210
Why?
Eye Diseases
1
2012
43
0.210
Why?
Genetic Predisposition to Disease
2
2007
317
0.210
Why?
Retinal Telangiectasis
1
2011
1
0.210
Why?
Culture
1
2012
50
0.210
Why?
Space Perception
1
1993
84
0.210
Why?
Genetic Vectors
2
2009
349
0.200
Why?
Keratoconus
3
2002
24
0.200
Why?
Young Adult
3
2009
1084
0.200
Why?
Child
3
2008
4342
0.200
Why?
Genes, X-Linked
1
2010
1
0.190
Why?
Codon, Terminator
1
2010
9
0.190
Why?
Mathematics
4
1991
149
0.190
Why?
Life Style
3
2005
91
0.190
Why?
Fourier Analysis
3
1996
41
0.190
Why?
Transduction, Genetic
1
2011
130
0.190
Why?
Microglia
1
2011
80
0.190
Why?
Eukaryotic Initiation Factor-2
1
2010
6
0.190
Why?
Mosaicism
1
2009
13
0.180
Why?
Multiple Myeloma
1
2010
75
0.180
Why?
Antihypertensive Agents
1
2010
83
0.170
Why?
MicroRNAs
1
2010
40
0.170
Why?
Chi-Square Distribution
1
2010
347
0.170
Why?
E-Selectin
1
2009
18
0.170
Why?
Amino Acid Substitution
1
2009
133
0.170
Why?
Image Processing, Computer-Assisted
1
2011
262
0.170
Why?
Radiation Dosage
1
2009
122
0.170
Why?
Ophthalmoscopes
1
2008
6
0.170
Why?
Fluorescent Dyes
2
2006
235
0.170
Why?
Age Factors
1
2012
1152
0.170
Why?
Cyclic Nucleotide-Gated Cation Channels
1
2008
7
0.170
Why?
Perception
1
2008
66
0.160
Why?
Unemployment
1
2008
13
0.160
Why?
Sensory Thresholds
4
1992
85
0.160
Why?
Macula Lutea
1
1988
16
0.160
Why?
Prevalence
1
2010
582
0.160
Why?
Blood Pressure
1
2010
468
0.160
Why?
Violence
1
2009
73
0.160
Why?
Caregivers
1
2009
82
0.160
Why?
Cell Size
1
2008
96
0.160
Why?
Logistic Models
1
2010
626
0.160
Why?
Health Services Needs and Demand
1
2009
114
0.160
Why?
Predictive Value of Tests
2
2006
609
0.160
Why?
Gene Expression Regulation, Neoplastic
1
2010
266
0.160
Why?
Cross-Sectional Studies
1
2010
676
0.150
Why?
Rod Opsins
1
2007
11
0.150
Why?
Smoking
1
2012
423
0.150
Why?
Genotype
2
2004
473
0.150
Why?
Retinitis Pigmentosa
1
2007
11
0.150
Why?
Contact Lenses, Hydrophilic
1
2007
31
0.150
Why?
Child Welfare
1
2008
80
0.150
Why?
Head
2
1993
77
0.140
Why?
Longitudinal Studies
2
2005
413
0.140
Why?
False Positive Reactions
1
2006
88
0.140
Why?
Posture
2
1993
112
0.140
Why?
Fundus Oculi
1
2006
24
0.140
Why?
Monte Carlo Method
1
2006
57
0.140
Why?
Coronary Artery Disease
1
2007
88
0.140
Why?
Rats
2
2009
4389
0.140
Why?
Phenylephrine
1
2006
31
0.140
Why?
Decision Making
1
2008
227
0.140
Why?
Lasers
2
2000
59
0.140
Why?
Computer Simulation
2
2002
304
0.130
Why?
Mississippi
1
2005
3
0.130
Why?
Diagnosis, Computer-Assisted
1
2006
65
0.130
Why?
Models, Statistical
1
2007
222
0.130
Why?
Urban Health Services
1
2004
18
0.130
Why?
Neuropsychological Tests
1
2007
391
0.130
Why?
Substance-Related Disorders
1
2007
212
0.130
Why?
Brazil
1
2004
23
0.120
Why?
Color Perception Tests
2
1993
7
0.120
Why?
Feasibility Studies
1
2004
212
0.120
Why?
Refractive Surgical Procedures
1
2003
10
0.110
Why?
Life Expectancy
1
2003
35
0.110
Why?
Photorefractive Keratectomy
1
2003
21
0.110
Why?
Insurance Coverage
1
2003
49
0.110
Why?
Clinical Competence
1
2005
270
0.110
Why?
Geography
1
2002
22
0.110
Why?
Cultural Diversity
1
2002
13
0.110
Why?
Acculturation
1
2002
11
0.110
Why?
Cross-Cultural Comparison
1
2002
35
0.110
Why?
Wound Healing
1
2003
213
0.100
Why?
Discrimination (Psychology)
3
1990
80
0.100
Why?
Sex Characteristics
1
2002
141
0.100
Why?
Cause of Death
1
2002
158
0.100
Why?
Insurance, Health
1
2003
145
0.100
Why?
Depression
1
2006
442
0.100
Why?
Mice
2
1996
6206
0.100
Why?
Fiber Optic Technology
1
2000
25
0.090
Why?
Normal Distribution
1
2000
19
0.090
Why?
Quality of Health Care
1
2003
230
0.090
Why?
Neural Inhibition
1
2000
68
0.090
Why?
Sequence Analysis, DNA
2
2010
169
0.090
Why?
Densitometry
1
1999
35
0.090
Why?
Treatment Outcome
1
2006
2671
0.080
Why?
Cluster Analysis
2
2005
90
0.080
Why?
Health Surveys
2
2007
234
0.070
Why?
Gene Expression
2
2009
764
0.070
Why?
Lens, Crystalline
1
1994
34
0.060
Why?
Apoptosis
2
2010
855
0.060
Why?
Michigan
2
2002
19
0.060
Why?
Adolescent
3
2005
5044
0.060
Why?
Perceptual Distortion
1
1993
4
0.060
Why?
Thiocyanates
1
2012
18
0.050
Why?
Acetylcysteine
1
2012
81
0.050
Why?
Mass Spectrometry
1
2012
113
0.050
Why?
Chromatography, High Pressure Liquid
1
2012
209
0.050
Why?
Vitamin E
1
2012
87
0.050
Why?
Synapsins
1
2011
5
0.050
Why?
Capillary Permeability
1
2011
32
0.050
Why?
Intravitreal Injections
1
2011
8
0.050
Why?
Crystallization
1
2011
82
0.050
Why?
Connexins
1
2011
53
0.050
Why?
Argonaute Proteins
1
2010
2
0.050
Why?
Syndecan-1
1
2010
3
0.050
Why?
Glutathione
1
2012
231
0.050
Why?
Genes, Reporter
1
2011
209
0.050
Why?
Genome-Wide Association Study
1
2010
23
0.050
Why?
Color Vision
1
2009
1
0.050
Why?
Chromosomes, Human, X
1
2009
10
0.050
Why?
Gene Silencing
1
2010
41
0.050
Why?
Actins
1
2011
214
0.050
Why?
Dark Adaptation
2
1993
13
0.050
Why?
Oligonucleotides
1
2010
89
0.040
Why?
Psychometrics
2
1990
232
0.040
Why?
Fluorescein
1
2009
22
0.040
Why?
Glaucoma
1
2009
39
0.040
Why?
Arginine
1
2009
120
0.040
Why?
Capillaries
1
2009
87
0.040
Why?
Case-Control Studies
1
2011
624
0.040
Why?
Cysteine
1
2009
154
0.040
Why?
Affect
1
2009
78
0.040
Why?
Employment
1
2009
70
0.040
Why?
Color
1
2008
25
0.040
Why?
Bayes Theorem
1
2008
39
0.040
Why?
Rhodamines
1
2008
15
0.040
Why?
Oligonucleotide Array Sequence Analysis
1
2010
290
0.040
Why?
Dextrans
1
2008
43
0.040
Why?
Polymerase Chain Reaction
1
2010
597
0.040
Why?
Health Behavior
1
2009
115
0.040
Why?
Retinoscopes
1
2007
2
0.040
Why?
Blotting, Western
1
2010
672
0.040
Why?
Gene Expression Profiling
1
2010
304
0.040
Why?
Cell Line, Tumor
1
2010
576
0.040
Why?
Flow Cytometry
1
2010
603
0.040
Why?
Cell Line
1
2012
1623
0.040
Why?
Motion Perception
1
1990
164
0.040
Why?
Problem Solving
1
2007
45
0.040
Why?
Interview, Psychological
1
2007
78
0.040
Why?
Confidence Intervals
1
2007
164
0.040
Why?
Chronic Disease
1
2009
554
0.040
Why?
Odds Ratio
1
2007
323
0.030
Why?
Self-Assessment
1
2006
51
0.030
Why?
Cell Proliferation
1
2010
520
0.030
Why?
Rats, Sprague-Dawley
1
2009
1036
0.030
Why?
Waist-Hip Ratio
1
2005
2
0.030
Why?
Attention
1
2007
151
0.030
Why?
Mental Health
1
2006
85
0.030
Why?
Hyperopia
1
2005
10
0.030
Why?
Cholesterol, HDL
1
2005
57
0.030
Why?
Papio
1
2004
22
0.030
Why?
Cohort Studies
1
2007
984
0.030
Why?
Electrophysiology
1
2004
249
0.030
Why?
Lasers, Excimer
1
2003
24
0.030
Why?
Poverty Areas
1
2002
12
0.030
Why?
Questionnaires
1
2007
1061
0.030
Why?
Housing
1
2002
30
0.030
Why?
Anthropometry
1
1996
44
0.020
Why?
Photography
1
1996
40
0.020
Why?
Rotation
1
1991
115
0.010
Why?

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