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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
7.140
Why?
Refractive Errors
12
2000
38
4.510
Why?
Retina
20
1993
204
4.270
Why?
Color Perception
10
1993
27
3.450
Why?
Continental Population Groups
6
2003
121
3.300
Why?
Ethnic Groups
5
2002
152
2.860
Why?
Healthcare Disparities
4
2008
77
2.820
Why?
Residence Characteristics
9
2002
68
2.810
Why?
Light
14
1993
159
2.710
Why?
Vision, Ocular
11
1994
70
2.630
Why?
Ophthalmoscopy
12
2002
38
2.590
Why?
Prejudice
12
2002
51
2.580
Why?
Optics and Photonics
11
1996
43
2.430
Why?
Color Vision Defects
10
1991
15
2.400
Why?
Fluorescence
5
2008
73
2.340
Why?
Retinal Pigment Epithelium
5
2006
15
2.320
Why?
Health Status Disparities
4
2008
49
2.260
Why?
Social Class
5
2002
87
1.870
Why?
Retinal Degeneration
3
2006
38
1.850
Why?
Ocular Physiological Phenomena
6
1994
15
1.800
Why?
Keratomileusis, Laser In Situ
5
2003
30
1.710
Why?
Lipofuscin
4
2008
12
1.700
Why?
Eye
5
1999
55
1.650
Why?
Eyeglasses
4
2002
15
1.590
Why?
Socioeconomic Factors
13
2002
404
1.590
Why?
Vision Disorders
4
1997
73
1.540
Why?
Myopia
5
2002
57
1.500
Why?
Retinal Ganglion Cells
9
1992
71
1.490
Why?
Retinal Pigments
7
1993
9
1.470
Why?
Humans
80
1988
36274
1.450
Why?
Pupil
8
1994
25
1.430
Why?
Retinal Rod Photoreceptor Cells
2
2008
12
1.410
Why?
Diagnostic Techniques, Ophthalmological
5
2003
19
1.400
Why?
Visual Acuity
8
1992
205
1.350
Why?
Poverty
4
2004
124
1.330
Why?
Radiation Injuries, Experimental
2
2008
90
1.250
Why?
Health Services Accessibility
8
2002
189
1.230
Why?
Contrast Sensitivity
12
1991
56
1.220
Why?
Cornea
6
1994
199
1.190
Why?
Fovea Centralis
7
1988
17
1.180
Why?
African Americans
6
2002
219
1.180
Why?
Retinal Vessels
3
2009
36
1.110
Why?
Adult
35
1988
11351
1.110
Why?
Adaptation, Physiological
3
2002
142
1.080
Why?
Stress, Psychological
5
2002
285
1.050
Why?
Sociology, Medical
4
2004
17
1.040
Why?
European Continental Ancestry Group
5
2003
234
1.030
Why?
Photic Stimulation
7
2002
232
1.020
Why?
Eye Movements
7
1992
157
1.000
Why?
Visual Pathways
2
2002
78
0.990
Why?
Hispanic Americans
3
2003
93
0.960
Why?
Corneal Topography
4
2003
38
0.850
Why?
Minority Groups
2
2002
56
0.830
Why?
Refraction, Ocular
4
1994
48
0.820
Why?
Mortality
1
2012
89
0.800
Why?
Health Services
1
2012
66
0.790
Why?
Molecular Imaging
1
2011
3
0.770
Why?
Research Design
3
2005
336
0.770
Why?
Macaca nemestrina
5
2004
86
0.740
Why?
Social Environment
2
2002
91
0.740
Why?
Photoreceptor Cells
7
1988
40
0.720
Why?
Atherosclerosis
1
2010
43
0.710
Why?
Risk Factors
10
2002
2345
0.710
Why?
Retinoscopy
2
2005
6
0.690
Why?
Psychophysics
4
1988
65
0.670
Why?
Health Status Indicators
4
2002
107
0.660
Why?
Fixation, Ocular
4
1990
75
0.650
Why?
Accommodation, Ocular
2
2001
7
0.640
Why?
Lenses
2
2007
13
0.640
Why?
Pigment Epithelium of Eye
1
2008
15
0.640
Why?
Lung Neoplasms
1
2012
439
0.640
Why?
Social Justice
3
2002
18
0.630
Why?
Macaca fascicularis
5
1996
84
0.620
Why?
Male
25
1991
19675
0.620
Why?
African Continental Ancestry Group
2
2005
125
0.600
Why?
Microscopy, Fluorescence
3
2006
264
0.600
Why?
Health Policy
1
2008
78
0.590
Why?
Visual Fields
3
2000
84
0.580
Why?
Models, Biological
7
1988
1008
0.580
Why?
Hypertension
1
2010
301
0.570
Why?
Pattern Recognition, Visual
5
1990
39
0.570
Why?
United States
11
2002
2688
0.570
Why?
Scotoma
1
2006
9
0.570
Why?
Visual Field Tests
1
2006
15
0.570
Why?
Health Status
3
2003
283
0.560
Why?
Photoreceptor Cells, Vertebrate
1
2006
10
0.560
Why?
Cone Opsins
3
2009
3
0.560
Why?
Female
22
1992
19838
0.550
Why?
Retinal Diseases
1
2006
45
0.550
Why?
Mydriatics
1
2006
6
0.550
Why?
Models, Neurological
4
1990
129
0.540
Why?
Photometry
1
2005
10
0.540
Why?
Iris
1
2005
20
0.540
Why?
Calibration
1
2005
44
0.530
Why?
Visual Perception
1
2007
126
0.530
Why?
Emigration and Immigration
3
2002
24
0.520
Why?
Women's Health
2
2002
60
0.520
Why?
Delivery of Health Care
2
2003
146
0.520
Why?
Sensation
1
2005
31
0.510
Why?
Cell Count
5
1999
286
0.510
Why?
Cities
1
2004
6
0.510
Why?
Asthma
1
2009
317
0.510
Why?
Cultural Characteristics
1
2005
25
0.500
Why?
Astigmatism
3
1996
34
0.500
Why?
Urban Health
1
2004
59
0.490
Why?
Cardiovascular Diseases
2
2005
277
0.480
Why?
Nervous System Physiological Phenomena
1
2004
14
0.480
Why?
Image Interpretation, Computer-Assisted
1
2005
107
0.470
Why?
Postoperative Complications
2
2005
733
0.470
Why?
Microscopy, Confocal
5
2008
194
0.450
Why?
Electroretinography
4
2004
33
0.440
Why?
Time Factors
7
1990
3182
0.430
Why?
Public Health
1
2004
99
0.430
Why?
Middle Aged
15
2001
9837
0.430
Why?
Surgical Flaps
1
2003
114
0.420
Why?
Retinoids
2
2011
25
0.410
Why?
Animals
14
1996
16093
0.410
Why?
Health Services Research
2
2012
118
0.390
Why?
Neuronal Plasticity
1
2002
99
0.390
Why?
Models, Theoretical
2
2002
192
0.390
Why?
Tomography, Optical Coherence
3
2006
31
0.380
Why?
Equipment Design
3
2004
248
0.380
Why?
Visual Cortex
1
2002
126
0.370
Why?
Fluorescein Angiography
3
2006
45
0.350
Why?
Macaca mulatta
4
1996
308
0.350
Why?
Optometry
2
2005
2
0.340
Why?
Axons
3
2008
192
0.340
Why?
Reproducibility of Results
4
2003
877
0.340
Why?
Diagnostic Imaging
2
2006
87
0.330
Why?
Dendrites
2
2008
46
0.320
Why?
Sex Factors
2
2008
597
0.310
Why?
Mutation
3
2004
1216
0.290
Why?
Aged, 80 and over
4
2004
2529
0.280
Why?
Reference Values
5
2001
439
0.280
Why?
Vision Tests
2
2005
20
0.270
Why?
Macaca
3
2000
70
0.260
Why?
Urban Population
2
2002
169
0.240
Why?
Phenotype
4
2008
763
0.240
Why?
Aged
7
2002
7269
0.230
Why?
Prospective Studies
4
2003
1689
0.230
Why?
Nerve Fibers
2
2009
109
0.230
Why?
Algorithms
3
2004
541
0.230
Why?
Dependovirus
2
2009
65
0.230
Why?
Optical Illusions
1
1993
6
0.220
Why?
Interferometry
5
1988
18
0.220
Why?
Green Fluorescent Proteins
2
2009
213
0.220
Why?
Policy
1
2012
3
0.220
Why?
Risk Assessment
4
2005
884
0.220
Why?
Gene Deletion
2
2010
190
0.220
Why?
Genetic Variation
2
2002
151
0.220
Why?
Pyridinium Compounds
1
2012
13
0.210
Why?
Politics
1
2012
29
0.210
Why?
Awareness
1
2012
34
0.210
Why?
Social Identification
1
2012
14
0.210
Why?
Eye Diseases
1
2012
45
0.210
Why?
Genetic Vectors
2
2009
339
0.200
Why?
Genetic Predisposition to Disease
2
2007
331
0.200
Why?
Retinal Telangiectasis
1
2011
1
0.200
Why?
Culture
1
2012
48
0.200
Why?
Space Perception
1
1993
84
0.200
Why?
Young Adult
3
2009
1059
0.200
Why?
Child
3
2008
4155
0.200
Why?
Keratoconus
3
2002
24
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
85
0.190
Why?
Transduction, Genetic
1
2011
124
0.190
Why?
Fourier Analysis
3
1996
40
0.190
Why?
Microglia
1
2011
76
0.190
Why?
Eukaryotic Initiation Factor-2
1
2010
6
0.180
Why?
Mosaicism
1
2009
13
0.180
Why?
Multiple Myeloma
1
2010
76
0.170
Why?
Antihypertensive Agents
1
2010
79
0.170
Why?
MicroRNAs
1
2010
39
0.170
Why?
Amino Acid Substitution
1
2009
124
0.170
Why?
Chi-Square Distribution
1
2010
344
0.170
Why?
E-Selectin
1
2009
17
0.170
Why?
Image Processing, Computer-Assisted
1
2011
262
0.170
Why?
Radiation Dosage
1
2009
125
0.170
Why?
Ophthalmoscopes
1
2008
6
0.170
Why?
Fluorescent Dyes
2
2006
226
0.170
Why?
Age Factors
1
2012
1128
0.160
Why?
Cyclic Nucleotide-Gated Cation Channels
1
2008
7
0.160
Why?
Perception
1
2008
65
0.160
Why?
Unemployment
1
2008
13
0.160
Why?
Prevalence
1
2010
562
0.160
Why?
Sensory Thresholds
4
1992
85
0.160
Why?
Macula Lutea
1
1988
17
0.160
Why?
Violence
1
2009
70
0.160
Why?
Blood Pressure
1
2010
467
0.160
Why?
Caregivers
1
2009
76
0.160
Why?
Cell Size
1
2008
88
0.150
Why?
Logistic Models
1
2010
611
0.150
Why?
Health Services Needs and Demand
1
2009
103
0.150
Why?
Predictive Value of Tests
2
2006
606
0.150
Why?
Gene Expression Regulation, Neoplastic
1
2010
256
0.150
Why?
Cross-Sectional Studies
1
2010
654
0.150
Why?
Smoking
1
2012
399
0.150
Why?
Rod Opsins
1
2007
11
0.150
Why?
Retinitis Pigmentosa
1
2007
11
0.150
Why?
Genotype
2
2004
490
0.150
Why?
Child Welfare
1
2008
71
0.150
Why?
Contact Lenses, Hydrophilic
1
2007
30
0.150
Why?
Longitudinal Studies
2
2005
395
0.140
Why?
Head
2
1993
76
0.140
Why?
Posture
2
1993
110
0.140
Why?
False Positive Reactions
1
2006
88
0.140
Why?
Fundus Oculi
1
2006
23
0.140
Why?
Rats
2
2009
4289
0.140
Why?
Monte Carlo Method
1
2006
58
0.140
Why?
Coronary Artery Disease
1
2007
96
0.140
Why?
Decision Making
1
2008
223
0.140
Why?
Phenylephrine
1
2006
29
0.140
Why?
Lasers
2
2000
59
0.130
Why?
Computer Simulation
2
2002
302
0.130
Why?
Diagnosis, Computer-Assisted
1
2006
62
0.130
Why?
Models, Statistical
1
2007
226
0.130
Why?
Mississippi
1
2005
3
0.130
Why?
Neuropsychological Tests
1
2007
386
0.130
Why?
Urban Health Services
1
2004
21
0.130
Why?
Substance-Related Disorders
1
2007
206
0.130
Why?
Brazil
1
2004
25
0.120
Why?
Color Perception Tests
2
1993
8
0.120
Why?
Feasibility Studies
1
2004
202
0.120
Why?
Refractive Surgical Procedures
1
2003
10
0.110
Why?
Life Expectancy
1
2003
33
0.110
Why?
Photorefractive Keratectomy
1
2003
21
0.110
Why?
Insurance Coverage
1
2003
37
0.110
Why?
Clinical Competence
1
2005
261
0.110
Why?
Geography
1
2002
20
0.110
Why?
Cultural Diversity
1
2002
13
0.100
Why?
Acculturation
1
2002
11
0.100
Why?
Cross-Cultural Comparison
1
2002
33
0.100
Why?
Wound Healing
1
2003
206
0.100
Why?
Discrimination (Psychology)
3
1990
80
0.100
Why?
Insurance, Health
1
2003
107
0.100
Why?
Sex Characteristics
1
2002
138
0.100
Why?
Depression
1
2006
432
0.100
Why?
Cause of Death
1
2002
162
0.100
Why?
Mice
2
1996
6111
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
209
0.090
Why?
Neural Inhibition
1
2000
66
0.090
Why?
Sequence Analysis, DNA
2
2010
166
0.090
Why?
Densitometry
1
1999
34
0.080
Why?
Treatment Outcome
1
2006
2615
0.080
Why?
Cluster Analysis
2
2005
88
0.080
Why?
Health Surveys
2
2007
215
0.070
Why?
Gene Expression
2
2009
751
0.070
Why?
Apoptosis
2
2010
823
0.060
Why?
Lens, Crystalline
1
1994
35
0.060
Why?
Michigan
2
2002
19
0.060
Why?
Adolescent
3
2005
4766
0.060
Why?
Perceptual Distortion
1
1993
4
0.060
Why?
Thiocyanates
1
2012
18
0.050
Why?
Mass Spectrometry
1
2012
115
0.050
Why?
Acetylcysteine
1
2012
78
0.050
Why?
Chromatography, High Pressure Liquid
1
2012
208
0.050
Why?
Vitamin E
1
2012
87
0.050
Why?
Synapsins
1
2011
5
0.050
Why?
Capillary Permeability
1
2011
31
0.050
Why?
Intravitreal Injections
1
2011
7
0.050
Why?
Crystallization
1
2011
83
0.050
Why?
Connexins
1
2011
52
0.050
Why?
Argonaute Proteins
1
2010
2
0.050
Why?
Syndecan-1
1
2010
3
0.050
Why?
Glutathione
1
2012
230
0.050
Why?
Genes, Reporter
1
2011
208
0.050
Why?
Genome-Wide Association Study
1
2010
21
0.050
Why?
Color Vision
1
2009
1
0.050
Why?
Gene Silencing
1
2010
41
0.040
Why?
Chromosomes, Human, X
1
2009
11
0.040
Why?
Actins
1
2011
192
0.040
Why?
Dark Adaptation
2
1993
13
0.040
Why?
Psychometrics
2
1990
223
0.040
Why?
Oligonucleotides
1
2010
88
0.040
Why?
Fluorescein
1
2009
22
0.040
Why?
Glaucoma
1
2009
36
0.040
Why?
Arginine
1
2009
108
0.040
Why?
Case-Control Studies
1
2011
617
0.040
Why?
Capillaries
1
2009
84
0.040
Why?
Cysteine
1
2009
155
0.040
Why?
Affect
1
2009
74
0.040
Why?
Employment
1
2009
64
0.040
Why?
Color
1
2008
23
0.040
Why?
Bayes Theorem
1
2008
39
0.040
Why?
Rhodamines
1
2008
15
0.040
Why?
Oligonucleotide Array Sequence Analysis
1
2010
286
0.040
Why?
Dextrans
1
2008
44
0.040
Why?
Health Behavior
1
2009
101
0.040
Why?
Polymerase Chain Reaction
1
2010
596
0.040
Why?
Blotting, Western
1
2010
645
0.040
Why?
Retinoscopes
1
2007
2
0.040
Why?
Cell Line
1
2012
1585
0.040
Why?
Gene Expression Profiling
1
2010
301
0.040
Why?
Flow Cytometry
1
2010
603
0.040
Why?
Cell Line, Tumor
1
2010
575
0.040
Why?
Motion Perception
1
1990
164
0.040
Why?
Problem Solving
1
2007
45
0.040
Why?
Interview, Psychological
1
2007
76
0.040
Why?
Confidence Intervals
1
2007
165
0.040
Why?
Chronic Disease
1
2009
522
0.040
Why?
Odds Ratio
1
2007
315
0.030
Why?
Cell Proliferation
1
2010
515
0.030
Why?
Rats, Sprague-Dawley
1
2009
986
0.030
Why?
Self-Assessment
1
2006
52
0.030
Why?
Attention
1
2007
149
0.030
Why?
Mental Health
1
2006
83
0.030
Why?
Waist-Hip Ratio
1
2005
2
0.030
Why?
Hyperopia
1
2005
9
0.030
Why?
Cholesterol, HDL
1
2005
62
0.030
Why?
Papio
1
2004
21
0.030
Why?
Cohort Studies
1
2007
969
0.030
Why?
Electrophysiology
1
2004
247
0.030
Why?
Lasers, Excimer
1
2003
24
0.030
Why?
Questionnaires
1
2007
1004
0.030
Why?
Poverty Areas
1
2002
13
0.030
Why?
Housing
1
2002
29
0.030
Why?
Anthropometry
1
1996
42
0.020
Why?
Photography
1
1996
40
0.020
Why?
Rotation
1
1991
114
0.010
Why?

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