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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
6.910
Why?
Refractive Errors
12
2000
38
4.360
Why?
Retina
20
1993
203
4.140
Why?
Color Perception
10
1993
27
3.340
Why?
Continental Population Groups
6
2003
116
3.220
Why?
Ethnic Groups
5
2002
137
2.820
Why?
Healthcare Disparities
4
2008
72
2.770
Why?
Residence Characteristics
9
2002
65
2.720
Why?
Light
14
1993
151
2.630
Why?
Vision, Ocular
11
1994
67
2.540
Why?
Prejudice
12
2002
46
2.510
Why?
Ophthalmoscopy
12
2002
37
2.500
Why?
Optics and Photonics
11
1996
43
2.350
Why?
Color Vision Defects
10
1991
15
2.320
Why?
Fluorescence
5
2008
71
2.260
Why?
Retinal Pigment Epithelium
5
2006
15
2.240
Why?
Health Status Disparities
4
2008
47
2.190
Why?
Social Class
5
2002
83
1.820
Why?
Retinal Degeneration
3
2006
38
1.790
Why?
Ocular Physiological Phenomena
6
1994
14
1.740
Why?
Keratomileusis, Laser In Situ
5
2003
30
1.660
Why?
Lipofuscin
4
2008
12
1.640
Why?
Eye
5
1999
53
1.600
Why?
Socioeconomic Factors
13
2002
364
1.560
Why?
Eyeglasses
4
2002
15
1.540
Why?
Vision Disorders
4
1997
72
1.490
Why?
Myopia
5
2002
57
1.460
Why?
Humans
80
1988
35000
1.450
Why?
Retinal Ganglion Cells
9
1992
71
1.440
Why?
Retinal Pigments
7
1993
9
1.420
Why?
Pupil
8
1994
25
1.380
Why?
Retinal Rod Photoreceptor Cells
2
2008
12
1.360
Why?
Diagnostic Techniques, Ophthalmological
5
2003
19
1.360
Why?
Visual Acuity
8
1992
204
1.300
Why?
Poverty
4
2004
111
1.300
Why?
Health Services Accessibility
8
2002
152
1.240
Why?
Radiation Injuries, Experimental
2
2008
82
1.220
Why?
Contrast Sensitivity
12
1991
56
1.180
Why?
Cornea
6
1994
199
1.160
Why?
African Americans
6
2002
209
1.150
Why?
Fovea Centralis
7
1988
15
1.140
Why?
Adult
35
1988
10906
1.100
Why?
Retinal Vessels
3
2009
36
1.080
Why?
Adaptation, Physiological
3
2002
135
1.060
Why?
Stress, Psychological
5
2002
264
1.030
Why?
European Continental Ancestry Group
5
2003
225
1.010
Why?
Sociology, Medical
4
2004
16
1.010
Why?
Photic Stimulation
7
2002
223
0.990
Why?
Eye Movements
7
1992
147
0.980
Why?
Visual Pathways
2
2002
72
0.960
Why?
Hispanic Americans
3
2003
86
0.930
Why?
Corneal Topography
4
2003
38
0.830
Why?
Minority Groups
2
2002
52
0.810
Why?
Refraction, Ocular
4
1994
48
0.790
Why?
Mortality
1
2012
87
0.780
Why?
Health Services
1
2012
59
0.770
Why?
Research Design
3
2005
326
0.750
Why?
Molecular Imaging
1
2011
3
0.740
Why?
Macaca nemestrina
5
2004
86
0.710
Why?
Social Environment
2
2002
90
0.710
Why?
Risk Factors
10
2002
2172
0.710
Why?
Photoreceptor Cells
7
1988
39
0.700
Why?
Atherosclerosis
1
2010
39
0.690
Why?
Retinoscopy
2
2005
6
0.670
Why?
Psychophysics
4
1988
65
0.650
Why?
Health Status Indicators
4
2002
97
0.640
Why?
Fixation, Ocular
4
1990
72
0.640
Why?
Male
25
1991
18870
0.630
Why?
Lung Neoplasms
1
2012
422
0.620
Why?
Accommodation, Ocular
2
2001
7
0.620
Why?
Lenses
2
2007
13
0.620
Why?
Pigment Epithelium of Eye
1
2008
15
0.620
Why?
Social Justice
3
2002
19
0.610
Why?
Macaca fascicularis
5
1996
81
0.600
Why?
African Continental Ancestry Group
2
2005
116
0.590
Why?
Microscopy, Fluorescence
3
2006
257
0.580
Why?
United States
11
2002
2511
0.570
Why?
Health Policy
1
2008
76
0.570
Why?
Hypertension
1
2010
285
0.570
Why?
Visual Fields
3
2000
83
0.570
Why?
Models, Biological
7
1988
982
0.560
Why?
Pattern Recognition, Visual
5
1990
38
0.560
Why?
Female
22
1992
19061
0.550
Why?
Scotoma
1
2006
9
0.550
Why?
Health Status
3
2003
263
0.550
Why?
Visual Field Tests
1
2006
15
0.550
Why?
Photoreceptor Cells, Vertebrate
1
2006
10
0.540
Why?
Cone Opsins
3
2009
3
0.540
Why?
Retinal Diseases
1
2006
45
0.530
Why?
Mydriatics
1
2006
6
0.530
Why?
Models, Neurological
4
1990
125
0.530
Why?
Photometry
1
2005
10
0.520
Why?
Iris
1
2005
20
0.520
Why?
Calibration
1
2005
44
0.520
Why?
Visual Perception
1
2007
120
0.510
Why?
Asthma
1
2009
282
0.510
Why?
Emigration and Immigration
3
2002
19
0.510
Why?
Delivery of Health Care
2
2003
136
0.510
Why?
Women's Health
2
2002
58
0.510
Why?
Sensation
1
2005
31
0.500
Why?
Cell Count
5
1999
279
0.490
Why?
Cities
1
2004
6
0.490
Why?
Cultural Characteristics
1
2005
23
0.490
Why?
Astigmatism
3
1996
34
0.480
Why?
Cardiovascular Diseases
2
2005
250
0.480
Why?
Urban Health
1
2004
52
0.480
Why?
Nervous System Physiological Phenomena
1
2004
13
0.460
Why?
Postoperative Complications
2
2005
706
0.460
Why?
Image Interpretation, Computer-Assisted
1
2005
106
0.460
Why?
Microscopy, Confocal
5
2008
187
0.440
Why?
Time Factors
7
1990
3047
0.430
Why?
Electroretinography
4
2004
33
0.430
Why?
Middle Aged
15
2001
9461
0.420
Why?
Public Health
1
2004
91
0.420
Why?
Animals
14
1996
15647
0.410
Why?
Surgical Flaps
1
2003
112
0.400
Why?
Retinoids
2
2011
24
0.390
Why?
Health Services Research
2
2012
104
0.390
Why?
Neuronal Plasticity
1
2002
92
0.380
Why?
Models, Theoretical
2
2002
190
0.380
Why?
Equipment Design
3
2004
244
0.370
Why?
Tomography, Optical Coherence
3
2006
31
0.370
Why?
Visual Cortex
1
2002
117
0.360
Why?
Macaca mulatta
4
1996
288
0.340
Why?
Fluorescein Angiography
3
2006
45
0.340
Why?
Optometry
2
2005
2
0.330
Why?
Reproducibility of Results
4
2003
859
0.330
Why?
Axons
3
2008
183
0.330
Why?
Diagnostic Imaging
2
2006
81
0.320
Why?
Dendrites
2
2008
43
0.310
Why?
Sex Factors
2
2008
561
0.310
Why?
Mutation
3
2004
1183
0.290
Why?
Aged, 80 and over
4
2004
2423
0.280
Why?
Reference Values
5
2001
427
0.270
Why?
Vision Tests
2
2005
20
0.260
Why?
Macaca
3
2000
69
0.250
Why?
Urban Population
2
2002
148
0.240
Why?
Phenotype
4
2008
727
0.240
Why?
Aged
7
2002
6986
0.230
Why?
Prospective Studies
4
2003
1606
0.230
Why?
Algorithms
3
2004
518
0.230
Why?
Nerve Fibers
2
2009
109
0.220
Why?
Dependovirus
2
2009
56
0.220
Why?
Risk Assessment
4
2005
808
0.220
Why?
Optical Illusions
1
1993
6
0.220
Why?
Interferometry
5
1988
18
0.210
Why?
Green Fluorescent Proteins
2
2009
205
0.210
Why?
Policy
1
2012
3
0.210
Why?
Gene Deletion
2
2010
191
0.210
Why?
Genetic Variation
2
2002
148
0.210
Why?
Pyridinium Compounds
1
2012
13
0.210
Why?
Politics
1
2012
29
0.210
Why?
Awareness
1
2012
32
0.200
Why?
Social Identification
1
2012
13
0.200
Why?
Genetic Predisposition to Disease
2
2007
306
0.200
Why?
Eye Diseases
1
2012
45
0.200
Why?
Child
3
2008
3897
0.200
Why?
Genetic Vectors
2
2009
328
0.200
Why?
Young Adult
3
2009
1013
0.200
Why?
Retinal Telangiectasis
1
2011
1
0.200
Why?
Space Perception
1
1993
82
0.200
Why?
Culture
1
2012
48
0.200
Why?
Keratoconus
3
2002
24
0.190
Why?
Genes, X-Linked
1
2010
1
0.180
Why?
Codon, Terminator
1
2010
9
0.180
Why?
Life Style
3
2005
80
0.180
Why?
Mathematics
4
1991
149
0.180
Why?
Transduction, Genetic
1
2011
111
0.180
Why?
Fourier Analysis
3
1996
41
0.180
Why?
Microglia
1
2011
76
0.180
Why?
Eukaryotic Initiation Factor-2
1
2010
6
0.180
Why?
Mosaicism
1
2009
13
0.170
Why?
Multiple Myeloma
1
2010
73
0.170
Why?
Antihypertensive Agents
1
2010
77
0.170
Why?
MicroRNAs
1
2010
38
0.170
Why?
Chi-Square Distribution
1
2010
320
0.160
Why?
Amino Acid Substitution
1
2009
118
0.160
Why?
Age Factors
1
2012
1060
0.160
Why?
E-Selectin
1
2009
17
0.160
Why?
Image Processing, Computer-Assisted
1
2011
247
0.160
Why?
Radiation Dosage
1
2009
115
0.160
Why?
Ophthalmoscopes
1
2008
6
0.160
Why?
Fluorescent Dyes
2
2006
218
0.160
Why?
Perception
1
2008
60
0.160
Why?
Cyclic Nucleotide-Gated Cation Channels
1
2008
7
0.160
Why?
Prevalence
1
2010
530
0.150
Why?
Blood Pressure
1
2010
446
0.150
Why?
Violence
1
2009
63
0.150
Why?
Unemployment
1
2008
12
0.150
Why?
Sensory Thresholds
4
1992
85
0.150
Why?
Logistic Models
1
2010
581
0.150
Why?
Macula Lutea
1
1988
17
0.150
Why?
Caregivers
1
2009
71
0.150
Why?
Health Services Needs and Demand
1
2009
93
0.150
Why?
Predictive Value of Tests
2
2006
579
0.150
Why?
Smoking
1
2012
387
0.150
Why?
Cross-Sectional Studies
1
2010
627
0.150
Why?
Cell Size
1
2008
87
0.150
Why?
Gene Expression Regulation, Neoplastic
1
2010
247
0.150
Why?
Child Welfare
1
2008
53
0.150
Why?
Genotype
2
2004
455
0.150
Why?
Rod Opsins
1
2007
11
0.140
Why?
Retinitis Pigmentosa
1
2007
11
0.140
Why?
Contact Lenses, Hydrophilic
1
2007
30
0.140
Why?
Longitudinal Studies
2
2005
372
0.140
Why?
Rats
2
2009
4185
0.140
Why?
Head
2
1993
72
0.140
Why?
Posture
2
1993
107
0.140
Why?
False Positive Reactions
1
2006
81
0.140
Why?
Fundus Oculi
1
2006
23
0.140
Why?
Coronary Artery Disease
1
2007
85
0.140
Why?
Monte Carlo Method
1
2006
57
0.130
Why?
Decision Making
1
2008
220
0.130
Why?
Phenylephrine
1
2006
29
0.130
Why?
Lasers
2
2000
58
0.130
Why?
Computer Simulation
2
2002
295
0.130
Why?
Models, Statistical
1
2007
222
0.120
Why?
Neuropsychological Tests
1
2007
355
0.120
Why?
Diagnosis, Computer-Assisted
1
2006
64
0.120
Why?
Mississippi
1
2005
3
0.120
Why?
Substance-Related Disorders
1
2007
195
0.120
Why?
Urban Health Services
1
2004
20
0.120
Why?
Brazil
1
2004
26
0.120
Why?
Feasibility Studies
1
2004
189
0.110
Why?
Color Perception Tests
2
1993
8
0.110
Why?
Refractive Surgical Procedures
1
2003
10
0.110
Why?
Life Expectancy
1
2003
35
0.110
Why?
Photorefractive Keratectomy
1
2003
21
0.100
Why?
Insurance Coverage
1
2003
28
0.100
Why?
Clinical Competence
1
2005
257
0.100
Why?
Geography
1
2002
20
0.100
Why?
Insurance, Health
1
2003
77
0.100
Why?
Acculturation
1
2002
9
0.100
Why?
Cultural Diversity
1
2002
13
0.100
Why?
Cross-Cultural Comparison
1
2002
30
0.100
Why?
Wound Healing
1
2003
196
0.100
Why?
Discrimination (Psychology)
3
1990
80
0.100
Why?
Mice
2
1996
5900
0.100
Why?
Depression
1
2006
419
0.100
Why?
Sex Characteristics
1
2002
138
0.100
Why?
Cause of Death
1
2002
155
0.090
Why?
Quality of Health Care
1
2003
187
0.090
Why?
Fiber Optic Technology
1
2000
24
0.090
Why?
Normal Distribution
1
2000
19
0.090
Why?
Neural Inhibition
1
2000
60
0.080
Why?
Sequence Analysis, DNA
2
2010
161
0.080
Why?
Densitometry
1
1999
34
0.080
Why?
Treatment Outcome
1
2006
2487
0.080
Why?
Cluster Analysis
2
2005
82
0.070
Why?
Health Surveys
2
2007
198
0.070
Why?
Gene Expression
2
2009
723
0.070
Why?
Apoptosis
2
2010
782
0.060
Why?
Lens, Crystalline
1
1994
35
0.060
Why?
Michigan
2
2002
17
0.060
Why?
Adolescent
3
2005
4513
0.060
Why?
Perceptual Distortion
1
1993
4
0.050
Why?
Thiocyanates
1
2012
18
0.050
Why?
Acetylcysteine
1
2012
76
0.050
Why?
Mass Spectrometry
1
2012
115
0.050
Why?
Chromatography, High Pressure Liquid
1
2012
206
0.050
Why?
Vitamin E
1
2012
87
0.050
Why?
Capillary Permeability
1
2011
30
0.050
Why?
Synapsins
1
2011
5
0.050
Why?
Intravitreal Injections
1
2011
6
0.050
Why?
Crystallization
1
2011
80
0.050
Why?
Connexins
1
2011
47
0.050
Why?
Glutathione
1
2012
222
0.040
Why?
Argonaute Proteins
1
2010
2
0.040
Why?
Syndecan-1
1
2010
3
0.040
Why?
Genes, Reporter
1
2011
206
0.040
Why?
Genome-Wide Association Study
1
2010
22
0.040
Why?
Color Vision
1
2009
1
0.040
Why?
Actins
1
2011
184
0.040
Why?
Gene Silencing
1
2010
42
0.040
Why?
Chromosomes, Human, X
1
2009
11
0.040
Why?
Psychometrics
2
1990
212
0.040
Why?
Dark Adaptation
2
1993
12
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
107
0.040
Why?
Case-Control Studies
1
2011
587
0.040
Why?
Capillaries
1
2009
84
0.040
Why?
Cysteine
1
2009
153
0.040
Why?
Affect
1
2009
73
0.040
Why?
Employment
1
2009
62
0.040
Why?
Color
1
2008
24
0.040
Why?
Oligonucleotide Array Sequence Analysis
1
2010
278
0.040
Why?
Bayes Theorem
1
2008
38
0.040
Why?
Rhodamines
1
2008
15
0.040
Why?
Health Behavior
1
2009
97
0.040
Why?
Dextrans
1
2008
44
0.040
Why?
Polymerase Chain Reaction
1
2010
586
0.040
Why?
Blotting, Western
1
2010
617
0.040
Why?
Cell Line
1
2012
1554
0.040
Why?
Gene Expression Profiling
1
2010
296
0.040
Why?
Cell Line, Tumor
1
2010
543
0.040
Why?
Retinoscopes
1
2007
2
0.040
Why?
Flow Cytometry
1
2010
597
0.040
Why?
Motion Perception
1
1990
158
0.040
Why?
Problem Solving
1
2007
46
0.040
Why?
Interview, Psychological
1
2007
70
0.040
Why?
Confidence Intervals
1
2007
155
0.040
Why?
Chronic Disease
1
2009
496
0.030
Why?
Cell Proliferation
1
2010
480
0.030
Why?
Rats, Sprague-Dawley
1
2009
956
0.030
Why?
Odds Ratio
1
2007
301
0.030
Why?
Self-Assessment
1
2006
51
0.030
Why?
Attention
1
2007
145
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
52
0.030
Why?
Papio
1
2004
21
0.030
Why?
Cohort Studies
1
2007
912
0.030
Why?
Electrophysiology
1
2004
243
0.030
Why?
Lasers, Excimer
1
2003
24
0.030
Why?
Questionnaires
1
2007
942
0.030
Why?
Poverty Areas
1
2002
13
0.020
Why?
Housing
1
2002
28
0.020
Why?
Anthropometry
1
1996
42
0.020
Why?
Photography
1
1996
41
0.020
Why?
Rotation
1
1991
110
0.010
Why?

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