| 737 | Humans |
| 351 | Female |
| 349 | Male |
| 264 | Touch |
| 251 | Adult |
| 228 | User-Computer Interface |
| 195 | Computer Simulation |
| 108 | Middle Aged |
| 107 | Lenses, Intraocular |
| 99 | Psychomotor Performance |
| 98 | Robotics |
| 98 | Aged |
| 89 | Feedback |
| 88 | Visual Perception |
| 84 | Young Adult |
| 78 | Lens Implantation, Intraocular |
| 72 | Animals |
| 58 | Adolescent |
| 57 | Stereognosis |
| 56 | Computer-Assisted Instruction |
| 55 | Equipment Design |
| 54 | Algorithms |
| 53 | Biomechanical Phenomena |
| 52 | Form Perception |
| 50 | Hand |
| 49 | Touch Perception |
| 49 | Laparoscopy |
| 48 | Surgery, Computer-Assisted |
| 48 | Orientation |
| 46 | Task Performance and Analysis |
| 46 | Space Perception |
| 45 | Clinical Competence |
| 44 | Movement |
| 44 | Computer Graphics |
| 43 | Prosthesis Design |
| 40 | Suture Techniques |
| 40 | Psychophysics |
| 40 | Models, Anatomic |
| 40 | Attention |
| 39 | Postoperative Complications |
| 39 | Analysis of Variance |
| 38 | United States |
| 38 | Aged, 80 and over |
| 37 | Models, Biological |
| 37 | Cues |
| 36 | Visual Acuity |
| 36 | Blindness |
| 35 | Photic Stimulation |
| 35 | Phacoemulsification |
| 35 | Imaging, Three-Dimensional |
| 35 | General Surgery |
| 34 | Reaction Time |
| 33 | Lens Capsule, Crystalline |
| 33 | Discrimination Learning |
| 32 | Size Perception |
| 32 | Physical Stimulation |
| 32 | Pattern Recognition, Visual |
| 32 | Hand Strength |
| 31 | Magnetic Resonance Imaging |
| 31 | Judgment |
| 30 | Motor Skills |
| 30 | Functional Laterality |
| 29 | Learning |
| 28 | Treatment Outcome |
| 28 | Reoperation |
| 28 | Internship and Residency |
| 27 | Time Factors |
| 27 | Software |
| 26 | Retrospective Studies |
| 26 | Proprioception |
| 25 | Stress, Mechanical |
| 25 | Foreign-Body Migration |
| 24 | Posture |
| 23 | Silicone Elastomers |
| 23 | Recognition (Psychology) |
| 23 | Image Processing, Computer-Assisted |
| 22 | Reproducibility of Results |
| 22 | Follow-Up Studies |
| 22 | Fingers |
| 22 | Feedback, Sensory |
| 22 | Discrimination (Psychology) |
| 22 | Brain Mapping |
| 21 | Weight Perception |
| 21 | Man-Machine Systems |
| 21 | Brain |
| 21 | Acrylic Resins |
| 19 | Vitrectomy |
| 19 | Surgical Instruments |
| 19 | Prosthesis Failure |
| 19 | Distance Perception |
| 19 | Cataract Extraction |
| 18 | Surgical Procedures, Operative |
| 18 | Sensory Deprivation |
| 18 | Postural Balance |
| 18 | Minimally Invasive Surgical Procedures |
| 18 | Memory |
| 18 | Kinesthesis |
| 18 | Depth Perception |
| 18 | Child |
| 18 | Cataract |
| 17 | Swine |
| 17 | Sclera |
| 17 | Equipment Failure Analysis |
| 17 | Cognition |
| 17 | Biofeedback, Psychology |
| 17 | Arm |
| 16 | Telemedicine |
| 16 | Somatosensory Cortex |
| 16 | Education, Medical, Graduate |
| 15 | Vision, Ocular |
| 15 | Stroke |
| 15 | Rabbits |
| 15 | Perception |
| 15 | Models, Psychological |
| 15 | Endoscopy |
| 15 | Child, Preschool |
| 15 | Biocompatible Materials |
| 14 | Surveys and Questionnaires |
| 14 | Rotation |
| 14 | Pilot Projects |
| 14 | Neurosurgery |
| 14 | Memory, Short-Term |
| 14 | Feasibility Studies |
| 14 | Education, Medical |
| 13 | Vibration |
| 13 | Therapy, Computer-Assisted |
| 13 | Sutures |
| 13 | Mental Recall |
| 13 | Macaca mulatta |
| 13 | Elasticity |
| 13 | Connective Tissue |
| 12 | Reference Values |
| 12 | Polymethyl Methacrylate |
| 12 | Motion Perception |
| 12 | Laser Therapy |
| 12 | Infant |
| 12 | Imagination |
| 12 | Illusions |
| 12 | Feedback, Psychological |
| 12 | Educational Measurement |
| 12 | Device Removal |
| 12 | Computer Systems |
| 12 | Computer Peripherals |
| 11 | Surface Properties |
| 11 | Practice (Psychology) |
| 11 | Palpation |
| 11 | Models, Theoretical |
| 11 | Models, Neurological |
| 11 | Iris |
| 11 | Cadaver |
| 11 | Anterior Eye Segment |
| 11 | Aging |
| 10 | Ventriculostomy |
| 10 | Sensory Thresholds |
| 10 | Pseudophakia |
| 10 | Polypropylenes |
| 10 | Neurons |
| 10 | Concept Formation |
| 10 | Capsulorhexis |
| 9 | Vision Disorders |
| 9 | Signal Processing, Computer-Assisted |
| 9 | Sensory Aids |
| 9 | Prostheses and Implants |
| 9 | Parkinson Disease |
| 9 | Nerve Net |
| 9 | Needles |
| 9 | Methylmethacrylates |
| 9 | Knee Joint |
| 9 | Computer-Aided Design |
| 9 | Ciliary Body |
| 9 | Acoustic Stimulation |
| 8 | Torque |
| 8 | Tomography, X-Ray Computed |
| 8 | Teaching |
| 8 | Students, Medical |
| 8 | Sensitivity and Specificity |
| 8 | Prostatic Neoplasms |
| 8 | Prospective Studies |
| 8 | Phantoms, Imaging |
| 8 | Parietal Lobe |
| 8 | Neurosurgical Procedures |
| 8 | Neuropsychological Tests |
| 8 | Muscle, Skeletal |
| 8 | Motor Activity |
| 8 | Models, Animal |
| 8 | Microscopy, Electron, Scanning |
| 8 | Materials Testing |
| 8 | Lens, Crystalline |
| 8 | Laparoscopes |
| 8 | Image Interpretation, Computer-Assisted |
| 8 | Human Engineering |
| 8 | Feedback, Physiological |
| 8 | Epithelial Cells |
| 8 | Dissection |
| 8 | Diagnosis, Computer-Assisted |
| 8 | Curriculum |
| 8 | Adaptation, Physiological |
| 7 | Vision, Low |
| 7 | Video Games |
| 7 | Transfer (Psychology) |
| 7 | Prostatectomy |
| 7 | Pattern Recognition, Physiological |
| 7 | Paresis |
| 7 | Optical Illusions |
| 7 | Occipital Lobe |
| 7 | Models, Cardiovascular |
| 7 | Manikins |
| 7 | Liver |
| 7 | Internet |
| 7 | Eye Movements |
| 7 | Exercise Therapy |
| 7 | Electromyography |
| 7 | Data Interpretation, Statistical |
| 7 | Cholecystectomy, Laparoscopic |
| 7 | Auditory Perception |
| 7 | Association Learning |
| 7 | Arthroplasty, Replacement, Knee |
| 7 | Aphakia, Postcataract |
| 7 | Anterior Chamber |
| 6 | Visually Impaired Persons |
| 6 | Temporal Bone |
| 6 | Risk Factors |
| 6 | Random Allocation |
| 6 | Pressure |
| 6 | Physical Therapy Modalities |
| 6 | Orthopedics |
| 6 | Microcomputers |
| 6 | Learning Curve |
| 6 | Intraoperative Complications |
| 6 | In Vitro Techniques |
| 6 | Forecasting |
| 6 | Foot |
| 6 | Finite Element Analysis |
| 6 | Exploratory Behavior |
| 6 | Endoscopes |
| 6 | Choice Behavior |
| 6 | Cerebral Cortex |
| 6 | Case-Control Studies |
| 6 | Capsule Opacification |
| 6 | Anastomosis, Surgical |
| 6 | Abdomen |
| 5 | Weight-Bearing |
| 5 | Visual Fields |
| 5 | Visual Cortex |
| 5 | Verbal Behavior |
| 5 | Vascular Surgical Procedures |
| 5 | Upper Extremity |
| 5 | Transducers |
| 5 | Skin |
| 5 | Self-Help Devices |
| 5 | Recovery of Function |
| 5 | Reading |
| 5 | Rats |
| 5 | Prostate |
| 5 | Problem Solving |
| 5 | Periodicity |
| 5 | Perceptual Distortion |
| 5 | Oxygen |
| 5 | Models, Statistical |
| 5 | Microsurgery |
| 5 | Microscopy, Acoustic |
| 5 | Linear Models |
| 5 | Information Storage and Retrieval |
| 5 | Infant, Newborn |
| 5 | Incidence |
| 5 | Image Enhancement |
| 5 | Hyphema |
| 5 | Gynecologic Surgical Procedures |
| 5 | Gravitation |
| 5 | Forearm |
| 5 | Environment |
| 5 | Electroencephalography |
| 5 | Educational Technology |
| 5 | Education, Medical, Undergraduate |
| 5 | Databases, Factual |
| 5 | Data Display |
| 5 | Craniotomy |
| 5 | Cornea |
| 5 | Child Development |
| 5 | Brain Injuries |
| 5 | Automobile Driving |
| 5 | Artificial Limbs |
| 5 | Anatomy |
| 5 | Aircraft |
| 4 | Wrist |
| 4 | Workload |
| 4 | Walking |
| 4 | Vitreous Body |
| 4 | Viscosity |
| 4 | Video Recording |
| 4 | Urologic Surgical Procedures |
| 4 | Time Perception |
| 4 | Thermosensing |
| 4 | Surgical Flaps |
| 4 | Spinal Cord Injuries |
| 4 | Sensation |
| 4 | Safety |
| 4 | Rehabilitation |
| 4 | Refraction, Ocular |
| 4 | Physicians |
| 4 | Perceptual Masking |
| 4 | Optics and Photonics |
| 4 | Online Systems |
| 4 | Neurons, Afferent |
| 4 | Nervous System Diseases |
| 4 | Movement Disorders |
| 4 | Motion |
| 4 | Methylmethacrylate |
| 4 | Mechanical Processes |
| 4 | Markov Chains |
| 4 | Knee |
| 4 | Knee Prosthesis |
| 4 | Intraocular Pressure |
| 4 | Hydrophobic and Hydrophilic Interactions |
| 4 | Haplorhini |
| 4 | Gait |
| 4 | Fluoroscopy |
| 4 | Fibrosis |
| 4 | Face |
| 4 | Eye |
| 4 | Endophthalmitis |
| 4 | Electrophysiology |
| 4 | Elastic Modulus |
| 4 | Education, Dental |
| 4 | Dentistry, Operative |
| 4 | Decision Making |
| 4 | Computing Methodologies |
| 4 | Cerebral Palsy |
| 4 | Cardiac Surgical Procedures |
| 4 | Biophysics |
| 4 | Biophysical Phenomena |
| 4 | Attitude of Health Personnel |
| 4 | Arthroscopy |
| 4 | Animals, Newborn |
| 4 | Anesthesiology |
| 4 | Anatomy, Cross-Sectional |
| 3 | Vitreous Hemorrhage |
| 3 | Vision, Binocular |
| 3 | Virtual Reality Exposure Therapy |
| 3 | Vibrissae |
| 3 | Uveal Diseases |
| 3 | Urethra |
| 3 | Tensile Strength |
| 3 | Temporal Lobe |
| 3 | Teaching Materials |
| 3 | Students, Dental |
| 3 | Statistics as Topic |
| 3 | Spleen |
| 3 | Spine |
| 3 | Spinal Puncture |
| 3 | Spatial Behavior |
| 3 | Sound Localization |
| 3 | Software Design |
| 3 | Sex Factors |
| 3 | Sex Characteristics |
| 3 | Severity of Illness Index |
| 3 | Sensation Disorders |
| 3 | Robotic Surgical Procedures |
| 3 | Retention (Psychology) |
| 3 | Recurrence |
| 3 | Rats, Sprague-Dawley |
| 3 | Range of Motion, Articular |
| 3 | Psychometrics |
| 3 | Prosthesis Implantation |
| 3 | Preoperative Care |
| 3 | Polymers |
| 3 | Perceptual Disorders |
| 3 | Pelvis |
| 3 | Pattern Recognition, Automated |
| 3 | Otolaryngology |
| 3 | Osteoarthritis, Knee |
| 3 | Nociceptors |
| 3 | Neuronavigation |
| 3 | Neural Pathways |
| 3 | Nephrectomy |
| 3 | Neck |
| 3 | Muscle Contraction |
| 3 | Motor Skills Disorders |
| 3 | Motor Cortex |
| 3 | Mathematical Computing |
| 3 | Massachusetts |
| 3 | Magnetics |
| 3 | Joints |
| 3 | Intubation, Intratracheal |
| 3 | Intelligence |
| 3 | Hemorrhage |
| 3 | Hemiplegia |
| 3 | Head Movements |
| 3 | Genital Neoplasms, Female |
| 3 | Fractals |
| 3 | Eye Diseases |
| 3 | Evoked Potentials |
| 3 | Electron Probe Microanalysis |
| 3 | Elbow Joint |
| 3 | Education, Medical, Continuing |
| 3 | Drug Design |
| 3 | Disease Models, Animal |
| 3 | Dental Cavity Preparation |
| 3 | Databases as Topic |
| 3 | Data Collection |
| 3 | Cross-Sectional Studies |
| 3 | Cross-Over Studies |
| 3 | Computers |
| 3 | Compressive Strength |
| 3 | Cohort Studies |
| 3 | Chronic Disease |
| 3 | Cell Division |
| 3 | Catheterization |
| 3 | Calcinosis |
| 3 | Breast Neoplasms |
| 3 | Bone and Bones |
| 3 | Body Height |
| 3 | Biopsy, Needle |
| 3 | Biomedical Engineering |
| 3 | Back |
| 3 | Automation |
| 3 | Astigmatism |
| 3 | Aptitude |
| 3 | Anisotropy |
| 3 | Age Factors |
| 3 | Activities of Daily Living |
| 3 | Action Potentials |
| 2 | Wireless Technology |
| 2 | Wheelchairs |
| 2 | Vision, Monocular |
| 2 | Vision Disparity |
| 2 | Video-Assisted Surgery |
| 2 | Vertebroplasty |
| 2 | Vasovasostomy |
| 2 | Uveitis |
| 2 | Uveitis, Anterior |
| 2 | Urology |
| 2 | Urinary Incontinence |
| 2 | Uncertainty |
| 2 | Ultrasonography |
| 2 | Ultrasonography, Interventional |
| 2 | Trigeminal Neuralgia |
| 2 | Tremor |
| 2 | Tissue Donors |
| 2 | Tissue Adhesives |
| 2 | Thyroidectomy |
| 2 | Tennis |
| 2 | Temperature |
| 2 | Telemetry |
| 2 | Telecommunications |
| 2 | Syndrome |
| 2 | Subthalamic Nucleus |
| 2 | Students |
| 2 | Stomach |
| 2 | Stochastic Processes |
| 2 | Stents |
| 2 | Statistics, Nonparametric |
| 2 | Spinal Fusion |
| 2 | Speech |
| 2 | Speech Perception |
| 2 | Somatosensory Disorders |
| 2 | Social Perception |
| 2 | Social Environment |
| 2 | Smell |
| 2 | Skin Temperature |
| 2 | Skin Physiological Phenomena |
| 2 | Sinusitis |
| 2 | Simulation Training |
| 2 | Silicones |
| 2 | Signal Detection, Psychological |
| 2 | Semicircular Canals |
| 2 | Risk Assessment |
| 2 | Rheology |
| 2 | Resistance Training |
| 2 | Remote Consultation |
| 2 | Regression Analysis |
| 2 | Refractive Errors |
| 2 | Reflex |
| 2 | Punctures |
| 2 | Psychology, Child |
| 2 | Psychological Theory |
| 2 | Psychological Tests |
| 2 | Prosthesis Fitting |
| 2 | Program Evaluation |
| 2 | Prognosis |
| 2 | Probability |
| 2 | Pregnancy |
| 2 | Prefrontal Cortex |
| 2 | Postoperative Period |
| 2 | Physics |
| 2 | Physical Phenomena |
| 2 | Physical Examination |
| 2 | Pharmaceutical Preparations |
| 2 | Pain Measurement |
| 2 | Outcome Assessment (Health Care) |
| 2 | Osteopathic Medicine |
| 2 | Orthopedic Procedures |
| 2 | Ophthalmologic Surgical Procedures |
| 2 | Odors |
| 2 | Occupational Therapy |
| 2 | Numerical Analysis, Computer-Assisted |
| 2 | Nonlinear Dynamics |
| 2 | Neuronal Plasticity |
| 2 | Neural Networks (Computer) |
| 2 | Nerve Block |
