All Articles
Appraisal & Valuation
Intellectual Property
Archaeology - Archeology
Internet Marketing
Banking
Life Expectancy - Life Care Planning
Biokinetics
Linguistics
Blockchain Information
Logistics - Reverse Logistics
Boating
Medical - Medicine
Business Consulting
Medical Malpractice
Business Management
Medical Records Review
Criminology
Nonprofit Organizations
Crisis Management
OSHA
Damages
Plants & Trees
Elder Abuse
Police Practices & Procedures
Energy - Utilities
Pools and Spas (Recreational)
Engines (Combustion - Diesel)
Premises Liability
Environment
Professional Malpractice
Expert Witnessing
Psychiatry
Eyewitness Testimony
Radiology
Feng Shui
Security
Foreign Affairs - Geopolitics
Speech-Language Pathology
Forensics
Spirituality
Gems & Jewelry
Supply Chain Management
Hydrology
Taxation
Industrial Hygiene and Safety
Terrorism - Homeland Security
Injury
Toxicology
Insurance
Yoga
More...
expert witnesses
Keywords
Category
Name
Company
Address
State
*Enter State Names or Abbreviations. Use space to separate multiple states e.g. CA Washington NY
Country
All Articles
Accident Prevention & Safety
HVAC - Heating, Ventilation, Air Conditioning
Accounting
Hydrology
Appraisal & Valuation
Industrial Hygiene and Safety
Aquatics Safety
Injury
Audio Forensics
Insurance
Bacteria - Fungus - Mold Investigation
Investigation & Surveillance
Branding - Brand Management
Land Use
Child Welfare
Linguistics
Computer Forensics
Manufacturing
Corrosion
Mediation
Cosmetology: Hair / Makeup
Metallurgy
Damages
Neuropsychology
Digital / Crypto Currency
Nursing
Discovery & Electronic Discovery
Obstetrics - Gynecology (OBGYN)
Dram Shop Liability
Orthotics and Prosthetics
Electrical - Electrocution
Pharmacy & Pharmacology
Elevators - Escalator - Automatic Doors
Plants & Trees
Energy - Utilities
Product Liability
Eyewitness Testimony
Public Speaking
Feng Shui
Sexual Abuse - Molestation - Harassment
Foot / Ankle Surgery
Slip, Trip & Fall
Forensics
Speech-Language Pathology
Forgery & Fraud
Toxicology
Healthcare Facilities - Hospitals
Underwriting
Hotels & Hospitality
Workplace Violence
More...
Optical Engineering Expert Witness David Schaafsma
This Member is NOT currently an ACTIVE member.
California Optical Engineering, Inc.
Dr. David Schaafsma, PhD
Please Contact Us for more information.
Related areas of expertise
Featured resources
Vision in The Dark: How Living in The...
by Andre Watson, PsyD
Life Rage
by Timothy A. Dimoff
Landlord's Legal Kit For Dummies
by Robert S. Griswold
Follow us
