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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
7.240
Why?
Refractive Errors
12
2000
38
4.570
Why?
Retina
20
1993
206
4.310
Why?
Color Perception
10
1993
27
3.500
Why?
Continental Population Groups
6
2003
117
3.360
Why?
Ethnic Groups
5
2002
146
2.910
Why?
Healthcare Disparities
4
2008
78
2.850
Why?
Residence Characteristics
9
2002
66
2.840
Why?
Light
14
1993
157
2.750
Why?
Vision, Ocular
11
1994
70
2.660
Why?
Prejudice
12
2002
48
2.630
Why?
Ophthalmoscopy
12
2002
38
2.620
Why?
Optics and Photonics
11
1996
43
2.460
Why?
Color Vision Defects
10
1991
15
2.430
Why?
Fluorescence
5
2008
73
2.370
Why?
Retinal Pigment Epithelium
5
2006
15
2.350
Why?
Health Status Disparities
4
2008
48
2.300
Why?
Social Class
5
2002
85
1.900
Why?
Retinal Degeneration
3
2006
39
1.880
Why?
Ocular Physiological Phenomena
6
1994
15
1.830
Why?
Keratomileusis, Laser In Situ
5
2003
33
1.730
Why?
Lipofuscin
4
2008
12
1.720
Why?
Eye
5
1999
55
1.680
Why?
Socioeconomic Factors
13
2002
383
1.620
Why?
Eyeglasses
4
2002
15
1.620
Why?
Vision Disorders
4
1997
70
1.560
Why?
Myopia
5
2002
58
1.520
Why?
Retinal Ganglion Cells
9
1992
73
1.500
Why?
Retinal Pigments
7
1993
9
1.490
Why?
Humans
80
1988
36400
1.450
Why?
Pupil
8
1994
25
1.450
Why?
Retinal Rod Photoreceptor Cells
2
2008
12
1.430
Why?
Diagnostic Techniques, Ophthalmological
5
2003
19
1.420
Why?
Visual Acuity
8
1992
206
1.360
Why?
Poverty
4
2004
116
1.350
Why?
Radiation Injuries, Experimental
2
2008
88
1.270
Why?
Health Services Accessibility
8
2002
181
1.250
Why?
Contrast Sensitivity
12
1991
55
1.230
Why?
Cornea
6
1994
202
1.200
Why?
African Americans
6
2002
214
1.200
Why?
Fovea Centralis
7
1988
17
1.190
Why?
Retinal Vessels
3
2009
38
1.120
Why?
Adult
35
1988
11345
1.120
Why?
Adaptation, Physiological
3
2002
142
1.100
Why?
Stress, Psychological
5
2002
283
1.060
Why?
Sociology, Medical
4
2004
17
1.060
Why?
European Continental Ancestry Group
5
2003
226
1.050
Why?
Photic Stimulation
7
2002
232
1.030
Why?
Eye Movements
7
1992
157
1.020
Why?
Visual Pathways
2
2002
78
1.000
Why?
Hispanic Americans
3
2003
93
0.970
Why?
Corneal Topography
4
2003
39
0.860
Why?
Minority Groups
2
2002
56
0.850
Why?
Refraction, Ocular
4
1994
48
0.830
Why?
Mortality
1
2012
87
0.810
Why?
Health Services
1
2012
65
0.800
Why?
Research Design
3
2005
333
0.780
Why?
Molecular Imaging
1
2011
3
0.780
Why?
Macaca nemestrina
5
2004
85
0.750
Why?
Social Environment
2
2002
92
0.740
Why?
Photoreceptor Cells
7
1988
40
0.730
Why?
Risk Factors
10
2002
2318
0.720
Why?
Atherosclerosis
1
2010
50
0.710
Why?
Retinoscopy
2
2005
6
0.700
Why?
Psychophysics
4
1988
65
0.680
Why?
Health Status Indicators
4
2002
108
0.670
Why?
Fixation, Ocular
4
1990
75
0.660
Why?
Accommodation, Ocular
2
2001
7
0.650
Why?
Lenses
2
2007
13
0.650
Why?
Pigment Epithelium of Eye
1
2008
15
0.650
Why?
Lung Neoplasms
1
2012
428
0.640
Why?
Social Justice
3
2002
17
0.640
Why?
Macaca fascicularis
5
1996
83
0.630
Why?
Male
25
1991
19713
0.630
Why?
African Continental Ancestry Group
2
2005
121
0.610
Why?
Microscopy, Fluorescence
3
2006
277
0.610
Why?
Health Policy
1
2008
82
0.590
Why?
Visual Fields
3
2000
84
0.590
Why?
Hypertension
1
2010
300
0.580
Why?
Pattern Recognition, Visual
5
1990
39
0.580
Why?
United States
11
2002
2630
0.580
Why?
Models, Biological
7
1988
1023
0.580
Why?
Scotoma
1
2006
9
0.580
Why?
Visual Field Tests
1
2006
15
0.580
Why?
Health Status
3
2003
269
0.570
Why?
Photoreceptor Cells, Vertebrate
1
2006
10
0.570
Why?
Cone Opsins
3
2009
3
0.570
Why?
Retinal Diseases
1
2006
44
0.560
Why?
Female
22
1992
19826
0.560
Why?
Mydriatics
1
2006
6
0.550
Why?
Models, Neurological
4
1990
131
0.550
Why?
Photometry
1
2005
10
0.550
Why?
Iris
1
2005
20
0.540
Why?
Calibration
1
2005
43
0.540
Why?
Visual Perception
1
2007
126
0.530
Why?
Emigration and Immigration
3
2002
22
0.530
Why?
Women's Health
2
2002
61
0.530
Why?
Delivery of Health Care
2
2003
145
0.520
Why?
Sensation
1
2005
29
0.520
Why?
Asthma
1
2009
294
0.520
Why?
Cities
1
2004
7
0.510
Why?
Cell Count
5
1999
286
0.510
Why?
Cultural Characteristics
1
2005
23
0.510
Why?
Astigmatism
3
1996
34
0.510
Why?
Urban Health
1
2004
57
0.500
Why?
Cardiovascular Diseases
2
2005
276
0.490
Why?
Nervous System Physiological Phenomena
1
2004
14
0.490
Why?
Image Interpretation, Computer-Assisted
1
2005
107
0.480
Why?
Postoperative Complications
2
2005
743
0.470
Why?
Microscopy, Confocal
5
2008
197
0.460
Why?
Electroretinography
4
2004
33
0.450
Why?
Time Factors
7
1990
3201
0.430
Why?
Public Health
1
2004
99
0.430
Why?
Middle Aged
15
2001
9877
0.430
Why?
Surgical Flaps
1
2003
113
0.420
Why?
Retinoids
2
2011
25
0.410
Why?
Animals
14
1996
16270
0.410
Why?
Health Services Research
2
2012
118
0.400
Why?
Models, Theoretical
2
2002
189
0.400
Why?
Neuronal Plasticity
1
2002
99
0.400
Why?
Tomography, Optical Coherence
3
2006
35
0.380
Why?
Equipment Design
3
2004
247
0.380
Why?
Visual Cortex
1
2002
126
0.380
Why?
Fluorescein Angiography
3
2006
46
0.350
Why?
Macaca mulatta
4
1996
307
0.350
Why?
Optometry
2
2005
2
0.350
Why?
Axons
3
2008
190
0.340
Why?
Reproducibility of Results
4
2003
884
0.340
Why?
Diagnostic Imaging
2
2006
86
0.330
Why?
Dendrites
2
2008
47
0.330
Why?
Sex Factors
2
2008
584
0.320
Why?
Mutation
3
2004
1229
0.290
Why?
Aged, 80 and over
4
2004
2513
0.290
Why?
Reference Values
5
2001
441
0.280
Why?
Vision Tests
2
2005
19
0.270
Why?
Macaca
3
2000
70
0.260
Why?
Urban Population
2
2002
167
0.250
Why?
Phenotype
4
2008
762
0.250
Why?
Aged
7
2002
7272
0.240
Why?
Prospective Studies
4
2003
1677
0.230
Why?
Nerve Fibers
2
2009
108
0.230
Why?
Algorithms
3
2004
537
0.230
Why?
Dependovirus
2
2009
69
0.230
Why?
Optical Illusions
1
1993
6
0.230
Why?
Interferometry
5
1988
18
0.220
Why?
Green Fluorescent Proteins
2
2009
218
0.220
Why?
Policy
1
2012
3
0.220
Why?
Risk Assessment
4
2005
878
0.220
Why?
Genetic Variation
2
2002
148
0.220
Why?
Gene Deletion
2
2010
205
0.220
Why?
Pyridinium Compounds
1
2012
13
0.220
Why?
Politics
1
2012
29
0.220
Why?
Awareness
1
2012
35
0.210
Why?
Social Identification
1
2012
14
0.210
Why?
Eye Diseases
1
2012
45
0.210
Why?
Genetic Predisposition to Disease
2
2007
329
0.210
Why?
Retinal Telangiectasis
1
2011
1
0.210
Why?
Culture
1
2012
49
0.200
Why?
Space Perception
1
1993
84
0.200
Why?
Genetic Vectors
2
2009
339
0.200
Why?
Young Adult
3
2009
1074
0.200
Why?
Child
3
2008
4086
0.200
Why?
Keratoconus
3
2002
24
0.200
Why?
Genes, X-Linked
1
2010
1
0.190
Why?
Codon, Terminator
1
2010
8
0.190
Why?
Mathematics
4
1991
149
0.190
Why?
Life Style
3
2005
87
0.190
Why?
Transduction, Genetic
1
2011
119
0.190
Why?
Fourier Analysis
3
1996
41
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
76
0.180
Why?
Antihypertensive Agents
1
2010
82
0.170
Why?
MicroRNAs
1
2010
38
0.170
Why?
Chi-Square Distribution
1
2010
333
0.170
Why?
E-Selectin
1
2009
18
0.170
Why?
Amino Acid Substitution
1
2009
132
0.170
Why?
Image Processing, Computer-Assisted
1
2011
262
0.170
Why?
Radiation Dosage
1
2009
126
0.170
Why?
Ophthalmoscopes
1
2008
6
0.170
Why?
Age Factors
1
2012
1121
0.170
Why?
Fluorescent Dyes
2
2006
232
0.170
Why?
Cyclic Nucleotide-Gated Cation Channels
1
2008
7
0.160
Why?
Perception
1
2008
64
0.160
Why?
Prevalence
1
2010
541
0.160
Why?
Unemployment
1
2008
13
0.160
Why?
Sensory Thresholds
4
1992
86
0.160
Why?
Violence
1
2009
66
0.160
Why?
Macula Lutea
1
1988
17
0.160
Why?
Blood Pressure
1
2010
474
0.160
Why?
Caregivers
1
2009
75
0.160
Why?
Logistic Models
1
2010
578
0.160
Why?
Cell Size
1
2008
89
0.160
Why?
Health Services Needs and Demand
1
2009
104
0.160
Why?
Predictive Value of Tests
2
2006
601
0.160
Why?
Cross-Sectional Studies
1
2010
621
0.160
Why?
Gene Expression Regulation, Neoplastic
1
2010
254
0.150
Why?
Smoking
1
2012
390
0.150
Why?
Rod Opsins
1
2007
11
0.150
Why?
Retinitis Pigmentosa
1
2007
11
0.150
Why?
Genotype
2
2004
487
0.150
Why?
Child Welfare
1
2008
72
0.150
Why?
Contact Lenses, Hydrophilic
1
2007
31
0.150
Why?
Longitudinal Studies
2
2005
390
0.140
Why?
Head
2
1993
77
0.140
Why?
Posture
2
1993
113
0.140
Why?
False Positive Reactions
1
2006
85
0.140
Why?
Fundus Oculi
1
2006
24
0.140
Why?
Monte Carlo Method
1
2006
57
0.140
Why?
Rats
2
2009
4386
0.140
Why?
Coronary Artery Disease
1
2007
96
0.140
Why?
Phenylephrine
1
2006
30
0.140
Why?
Decision Making
1
2008
224
0.140
Why?
Lasers
2
2000
59
0.130
Why?
Computer Simulation
2
2002
298
0.130
Why?
Models, Statistical
1
2007
219
0.130
Why?
Mississippi
1
2005
3
0.130
Why?
Diagnosis, Computer-Assisted
1
2006
66
0.130
Why?
Neuropsychological Tests
1
2007
375
0.130
Why?
Urban Health Services
1
2004
17
0.130
Why?
Substance-Related Disorders
1
2007
207
0.130
Why?
Brazil
1
2004
25
0.120
Why?
Color Perception Tests
2
1993
8
0.120
Why?
Feasibility Studies
1
2004
205
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
36
0.110
Why?
Clinical Competence
1
2005
262
0.110
Why?
Geography
1
2002
20
0.110
Why?
Acculturation
1
2002
9
0.110
Why?
Cultural Diversity
1
2002
12
0.110
Why?
Cross-Cultural Comparison
1
2002
33
0.110
Why?
Wound Healing
1
2003
211
0.100
Why?
Discrimination (Psychology)
3
1990
80
0.100
Why?
Insurance, Health
1
2003
103
0.100
Why?
Sex Characteristics
1
2002
142
0.100
Why?
Depression
1
2006
431
0.100
Why?
Cause of Death
1
2002
159
0.100
Why?
Mice
2
1996
6103
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
207
0.090
Why?
Neural Inhibition
1
2000
67
0.090
Why?
Sequence Analysis, DNA
2
2010
164
0.090
Why?
Densitometry
1
1999
35
0.090
Why?
Treatment Outcome
1
2006
2623
0.080
Why?
Cluster Analysis
2
2005
88
0.080
Why?
Health Surveys
2
2007
198
0.070
Why?
Gene Expression
2
2009
756
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
4752
0.060
Why?
Perceptual Distortion
1
1993
4
0.060
Why?
Thiocyanates
1
2012
17
0.050
Why?
Mass Spectrometry
1
2012
116
0.050
Why?
Acetylcysteine
1
2012
83
0.050
Why?
Chromatography, High Pressure Liquid
1
2012
210
0.050
Why?
Vitamin E
1
2012
89
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
83
0.050
Why?
Connexins
1
2011
52
0.050
Why?
Syndecan-1
1
2010
2
0.050
Why?
Argonaute Proteins
1
2010
2
0.050
Why?
Glutathione
1
2012
233
0.050
Why?
Genes, Reporter
1
2011
207
0.050
Why?
Genome-Wide Association Study
1
2010
23
0.050
Why?
Color Vision
1
2009
1
0.050
Why?
Gene Silencing
1
2010
40
0.050
Why?
Chromosomes, Human, X
1
2009
11
0.050
Why?
Actins
1
2011
213
0.040
Why?
Dark Adaptation
2
1993
12
0.040
Why?
Psychometrics
2
1990
221
0.040
Why?
Oligonucleotides
1
2010
88
0.040
Why?
Fluorescein
1
2009
22
0.040
Why?
Glaucoma
1
2009
37
0.040
Why?
Arginine
1
2009
119
0.040
Why?
Capillaries
1
2009
85
0.040
Why?
Case-Control Studies
1
2011
618
0.040
Why?
Cysteine
1
2009
157
0.040
Why?
Affect
1
2009
78
0.040
Why?
Employment
1
2009
68
0.040
Why?
Color
1
2008
20
0.040
Why?
Bayes Theorem
1
2008
39
0.040
Why?
Rhodamines
1
2008
16
0.040
Why?
Oligonucleotide Array Sequence Analysis
1
2010
284
0.040
Why?
Dextrans
1
2008
43
0.040
Why?
Health Behavior
1
2009
102
0.040
Why?
Polymerase Chain Reaction
1
2010
594
0.040
Why?
Blotting, Western
1
2010
668
0.040
Why?
Retinoscopes
1
2007
2
0.040
Why?
Gene Expression Profiling
1
2010
299
0.040
Why?
Flow Cytometry
1
2010
597
0.040
Why?
Cell Line
1
2012
1594
0.040
Why?
Cell Line, Tumor
1
2010
576
0.040
Why?
Motion Perception
1
1990
164
0.040
Why?
Problem Solving
1
2007
44
0.040
Why?
Interview, Psychological
1
2007
76
0.040
Why?
Confidence Intervals
1
2007
165
0.040
Why?
Chronic Disease
1
2009
530
0.040
Why?
Odds Ratio
1
2007
304
0.030
Why?
Cell Proliferation
1
2010
521
0.030
Why?
Self-Assessment
1
2006
52
0.030
Why?
Rats, Sprague-Dawley
1
2009
1028
0.030
Why?
Attention
1
2007
148
0.030
Why?
Waist-Hip Ratio
1
2005
2
0.030
Why?
Mental Health
1
2006
85
0.030
Why?
Hyperopia
1
2005
10
0.030
Why?
Cholesterol, HDL
1
2005
61
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
998
0.030
Why?
Poverty Areas
1
2002
12
0.030
Why?
Housing
1
2002
27
0.030
Why?
Anthropometry
1
1996
42
0.020
Why?
Photography
1
1996
40
0.020
Why?
Rotation
1
1991
115
0.010
Why?

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