Wise Vision

Optometry

295 Ferry St
Newark, NJ 07105

(973) 589-8008

Mon: 9:00AM - 7:00PM

Tue: 9:00AM - 6:00PM

Wed: 9:00AM - 7:00PM

Thu: 9:00AM - 6:00PM

Fri: 9:00AM - 7:00PM

Sat: 9:00AM - 4:00PM

Sun: Closed

About

The Premier Eyecare Provider in the Newark area!

Services

  • 1 Hour Service
  • Accommodating IOLs
  • Accommodation
  • Accomodative Insuffiency
  • Adult Primary Care
  • Advanced Care Ocular Disease
  • Advanced Diagnostic Testing
  • Advanced Dilated Eye Examinations
  • Advanced Eye Health Issues
  • Aesthetics
  • Age Related Macular Degeneration
  • Age-Related Eye Problems
  • Age-Related Macular Degeneration (ARMD)
  • Aging Eyes
  • Allergies
  • Allergy Eyes
  • Amblyopia
  • Analysis Of The Visual Systems
  • Anemia
  • Angle-Closure Glaucoma
  • Annual Eye Exams
  • Anterior Blepharitis
  • Anterior Segment Exam
  • Anti-Inflammatory Medications
  • Antibiotic Ointment
  • Artificial Intraocular Lens Implant
  • Artificial Tear Drops And Ointments
  • Artificial Tears
  • Astigmatic Lenses
  • Astigmatism
  • Astigmatism Diagnosis & Treatment
  • Automated Tonometry
  • Autorefraction
  • Autorefractor
  • Avoiding Reading
  • Bacterial Conjunctivitis
  • Bacterial Infections
  • Bacterial Pinkeye
  • Basic Vision Skills
  • Beryllium Frames
  • Bifocal And Multifocal Contact Lenses
  • Bifocal Lenses
  • Binocular Vision
  • Binocular Vision (How The Eyes Work Together As A Team)
  • Binocular Vision Problems
  • Binocular Vision Skills
  • Binocular Vision Status
  • Bitoric
  • Blepharitis
  • Blind Spots
  • Blind Spots (Scotomas)
  • Blurred Near Vision
  • Blurred Vision
  • Blurred Vision Especially After Reading Or Working Closely
  • Blurriness
  • Blurry Vision
  • Blurry Vision In The Morning
  • Budget Frames
  • Burning
  • Burning Eyes
  • Cataract Co-Management
  • Cataract Evaluation
  • Cataract Evaluation & Management
  • Cataract Screenings And Post-Operative Care
  • Cataracts
  • Children's Eye Exams
  • Children's Vision
  • Circumventing Of Reading
  • Cirrus HD- OCT
  • Cloudiness Of The Eyes
  • Cloudy Vision
  • Co-Management For Laser And Cataract Surgeries
  • Co-Management For Laser Refractive Surgery And Cataract Surgery
  • Color Vision
  • Color Vision
  • Colored Halos Around Lights
  • Colors Appearing More Faded
  • Combination Frames
  • Common Eye Diseases
  • Comprehensive Child Vision Exams
  • Comprehensive Eye Exams
  • Computer Assisted Eye Exams
  • Computer Assisted Frame And Lens Selection
  • Computer Lenses
  • Computer Vision Syndrome
  • Computer Vision Treatment
  • Computer-Based Analysis Of Retinal Health And Function
  • Computer-Based Analysis Of The Optic Nerve
  • Computerized Vision Testing
  • Computerized Visual Field Testing For Optic Nerve And Brain Injury
  • Congenital Abnormalities
  • Congenital Cataracts
  • Congenital Glaucoma
  • Conjunctivitis
  • Contact Lens Complications
  • Contact Lens Exams
  • Contact Lens Fitting
  • Contact Lens Fitting And Supplies
  • Contact Lens Fittings
  • Contact Lens Prescriptions
  • Contact Lens Services
  • Contact Lenses
  • Contact Lenses Services
  • Contusions And Blunt Trauma
  • Convergence
  • Convergence Insufficiency
  • Corneal Abrasion
  • Corneal And Conjunctiva Foreign Body Removal
  • Corneal Collagen Cross Linking
  • Corneal Dystrophy
  • Corneal Inlays
  • Corneal Mapping
  • Corneal Refractive Therapy
  • Corneal Refractive Therapy (CRT)
  • Corneal Scarring
  • Corneal Thickness Measurements
  • Corneal Topography
  • Corneal Ulcers
  • Corrective Contact Lenses
  • Corrective Lenses
  • Cosmetic Contact Lenses
  • Cosmetic Lenses
  • Crossed Eyes
  • Crossed Eyes (Strabismus)
  • Crossed Eyes (Strabismus)
  • Crusty Or Gunky Eyes
  • Crystalens by Bausch + Lomb
  • DMV Vision Registry
  • Daily Disposable Lenses
  • Daily-Wear Soft Contact Lenses
  • Dark Or Black Spots In Your Visual Field
  • Dark Vision
  • Depth Perception
  • Designer Frames
  • Detached Retina
  • Diabetic Dilated Exams
  • Diabetic Eye Exams
  • Diabetic Eye Exams and Treatment
  • Diabetic Eye Problems
  • Diabetic Retinopathy
  • Diagnosis And Treatment Of Eye Disease
  • Diagnosis And Treatment Of Ocular Disease And Injury
  • Diagnosis and Treatment of Computer Vision Syndrome
  • Difficulty Focusing On Small Print
  • Difficulty Seeing At Night
  • Digital Eye Strain
  • Digital Imaging
  • Digital Photography
  • Digital Retina Scanning
  • Digital Retinal Imagery
  • Digital Retinal Imaging
  • Dilated Eye Examinations To Identify Eye Disease
  • Dislodged Contact Lenses
  • Disposable Contact Lenses
  • Distorted Vision
  • Distraction During Reading
  • Double Vision
  • Double Vision
  • Double Vision Particularly During Or After Reading
  • Dry AMD
  • Dry Eye
  • Dry Eye Assessment & Treatment (Including Punctal Occlusion)
  • Dry Eye Disease And Treatment
  • Dry Eye Evaluations
  • Dry Eye Scanning
  • Dry Eye Syndrome
  • Dry Eye Syndrome (DES)
  • Dry Eye Testing
  • Dry Eye Treatment
  • Dry Eye Treatments
  • Dry Eyes
  • Dry Macular Degeneration
  • Dry Scratchy Eyes
  • Electrodiagnostic Procedures
  • Emergency Eye Care
  • Emergency Eye Care Services
  • Entrance Testing
  • Essilor VisiOffice
  • Examination Of Peripheral Visual Field
  • Examination Of The External Parts Of The Eye
  • Examination Of The Health Of The Entire Eye
  • Excessive Tearing
  • Excessive Tearing/Watery Eyes
  • Excessive Tears
  • Extended-Wear Contact Lenses
  • Extended-Wear Disposable Contact Lenses
  • External And Internal Ocular Photography
  • External Eye Health
  • Eye Allergies
  • Eye Burns
  • Eye Disease
  • Eye Drops For Dry Eyes
  • Eye Emergencies
  • Eye Emergencies (Pink/Red Eyes)
  • Eye Exam and Consultation
  • Eye Fatigue
  • Eye Focusing Abilities
  • Eye Function Testing
  • Eye Glass Prescriptions
  • Eye Health
  • Eye Infections
  • Eye Infections
  • Eye Injuries
  • Eye Injury And Trauma Assessment And Treatment
  • Eye Lid Infection
  • Eye Movement Disorders
  • Eye Movement Skills
  • Eye Muscle Balance
  • Eye Or Ocular Pain
  • Eye Pain
  • Eye Patch
  • Eye Patches
  • Eye Pressure Measurement
  • Eye Strain And Discomfort
  • Eye Strain Or Frequent Headaches
  • Eye Surgery
  • Eye Teaming Issues
  • Eye Teaming Skills
  • Eye Trauma
  • Eye Trauma
  • Eye Turn
  • Eye-Health Education
  • Eye-Health Examinations
  • Eyedrops
  • Eyeglasses
  • Eyelid Inflammation
  • Eyelid Scrubs
  • Eyelid Surgery
  • Eyeshapers
  • Eyestrain
  • Family Eyecare
  • Farsightedness
  • Farsightedness (Hyperopia)
  • Fashion Eyewear & Sunglasses
  • Fatigue Or Headaches When Doing Close Work Or Reading
  • Fatigued Eyes
  • Fitting of Specialty Contacts
  • Flashes
  • Flashes And Floaters
  • Flashes Of Light In The Vision
  • Floaters
  • Floaters In The Vision
  • Fluorescein Angiography
  • Focus And Eye Coordination
  • Focusing
  • Focusing
  • Focusing Disorders
  • Foggy Vision
  • Follow-Up Care
  • Foreign Body In The Eye (Especially Metal Or Chemicals)
  • Foreign Body Removal
  • Foreign Body Removal
  • Foreign Body Sensation
  • Foreign Materials Stuck In The Eyes
  • Foreign Materials Stuck In The Eyes
  • Foreign Object Removal
  • Frequent Blinking
  • Frequent Blinking
  • Fundus Camera
  • GPC
  • Gas Permeable (GP) Lenses
  • Gas Permeable Lenses
  • Gas Permeable Multifocal Contact Lenses
  • General Optometry
  • Geriatrics
  • Giant Papillary Conjunctivitis (GPC)
  • Glasses Repair
  • Glaucoma
  • Glaucoma Diagnosis And Treatment
  • Glaucoma Evaluation & Screening
  • Glaucoma Evaluation & Treatment
  • Glaucoma Eye Exams
  • Glaucoma Testing & Treatment
  • Gritty Eyes
  • Gritty Or Pasty Feeling In The Eyelids
  • Halos
  • Halos Around Lights
  • Hand-Eye Coordination
  • Hard Contact Lenses
  • Hard To Fit Contacts
  • Haziness Of The Eyes
  • Headache
  • Headaches
  • Headaches
  • High Blood Pressure
  • High Definition Lenses
  • High Intraocular Pressure (IOP)
  • High-Index Lenses
  • Higher-Order Aberrations
  • Hirschberg Test
  • Humphrey Autorefractor/Keratometer
  • Humphrey Visual Field
  • Hybrid Contact Lenses
  • Hybrid Lenses
  • Hybrid Soft-Rigid Lenses
  • Hyperactivity Or Recklessness During Class
  • Hyperopia
  • Hypersensitive Retinopathy
  • IOP Measurement
  • IPL For Dry Eye
  • Infants
  • Infection Conjunctivitis
  • Infections
  • Infiltrative Keratitis
  • Inflammation
  • Intense Pulsed Light
  • Internal Eye Health
  • Intraocular Lens (IOL) Implants
  • Intraocular Lenses (IOLs)
  • Intraocular Pressure (IOP)
  • Intraocular Pressure Measurement
  • Irritated Eyes
  • Irritation
  • Itchiness
  • Itchy Eyes
  • JUVEDERM
  • Keratoconus
  • Keratoconus (An Irregular Cone-Shaped Cornea)
  • Keratoconus Evaluation
  • Keratoconus Lenses
  • Kid's Eye Exams
  • LASIK Co-Management
  • Lab On Premises
  • Large Eyes
  • Laser Surgery Consultation
  • Latisse
  • Lazy Eye
  • Lazy Eye (Amblyopia)
  • Learning Disabilities
  • Learning-Related Vision Disorders
  • Lens Evaluation
  • Lid Hygiene
  • Light Or Glare Sensitivity
  • Light Sensitivity
  • Long-Term Anti-Inflammatory Prescription Eye Drops
  • Losing Place Often While Reading
  • Loss Of Contrast
  • Loss Of Light Sensitivity
  • Lost Or Broken Contact Lenses Or Eyeglasses
  • Low Vision
  • Low Vision Devices
  • Low Vision Evaluation
  • Low Vision Rehabilitation
  • Low Vision Services
  • Low-Tension Glaucoma
  • Lubricant Eye Drops
  • Lubricating Eye Drops
  • Macular Degeneration
  • Magnesium Frames
  • Management Of Ocular Diseases
  • Management of Ocular Diseases
  • Measurement Of Retinal Sensitivity
  • Medical Eye Exams
  • Medicated Eye Drops
  • Medicated Injections
  • Meibomian Gland Dysfunction
  • Mild Astigmatism
  • Minor Surgical Procedures
  • Monel Frames
  • Monitoring For Toxic Ocular Effects Of Medications
  • Monovision Lenses
  • Motor Disorders
  • Multifocal IOLs
  • Multifocal Intraocular Lens Implants
  • Multifocal Lenses
  • Multifocal RGP
  • Myopia
  • Naturopathic Eye Drops For Dry Eye And Allergies
  • Nausea
  • Nearsightedness
  • Nearsightedness (Myopia)
  • Neck Or Shoulder Pain
  • Needing To Hold Reading Material Or Small Objects At A Distance To Focus Properly
  • Neovascular Glaucoma
  • Neovascularization
  • New Onset Flashes And/Or Floaters
  • Nickel Titanium Frames
  • Nighttime Goggles
  • No-Glare Lenses
  • No-Line Bifocals
  • Non-Contact Tonometer
  • Normal Spherical Lenses
  • Normal-Tension Glaucoma
  • Nutritional Supplements
  • OCT (Optical Coherence Tomography) Testing
  • OCT Scans
  • OPTOS Retinal Exam
  • Ocular Alignment Tests
  • Ocular Disease
  • Ocular Emergencies
  • Ocular Herpes Simplex Virus Treatment
  • Ocular Motility Testing
  • Oculoplastics & Reconstructive
  • Oil Gland Dysfunction
  • Opacification
  • Open Angle Glaucoma
  • Open-Angle Glaucoma
  • Ophthalmic Lenses
  • Ophthalmology
  • Ophthalmoscopy Tests
  • Optic Nerve Damage
  • Optical
  • Optical Coherence Tomography (OCT)
  • Optical/Non-Optical Aids For Low Vision
  • Optician
  • Optomap Retinal Exam
  • Optomap Retinal Exams
  • Optomap Retinal Screening
  • Optometric Vision Rehabilitation
  • Oral Supplements
  • Ortho-K
  • Ortho-K Lenses
  • Orthokeratology
  • Orthokeratology For Adults
  • Orthoptic Procedures
  • Orthoptics
  • Other Health Referrals
  • PRK Co-Management
  • Pachymeter
  • Pachymetry
  • Pain
  • Painful Blisters
  • Painful Eyes
  • Painful Lids
  • Partial Corneal Transplant
  • Partial Corneal Transplants
  • Partial Thickness Corneal Transplant
  • Pediatric Eye Care
  • Pediatric Eye Exams
  • Pediatric Primary Care
  • Pediatric Vision
  • Pediatrics
  • Penetrating Keratoplasty (PK)
  • Perceptual Disorders
  • Peripheral Vision
  • Peripheral Vision
  • Peripheral Vision Loss
  • Personalized Eye Care
  • Phoropter
  • Photokeratitis
  • Photorefractive Keratectomy
  • Photorefractive Keratectomy (PRK)
  • Pigmentary Glaucoma
  • Pinguecula
  • Pink Eye
  • Pink Eye
  • Pink Eye And Sore Eye Treatment
  • Pink/Red Eyes
  • Plastic Frames
  • Polarized Lenses
  • Poor Handwriting
  • Poor Low-Light Vision
  • Poor Overall School Performance
  • Poor Reading Comprehension
  • Poor Tear Quality
  • Poor Tear Volume
  • Post-Operative Care
  • Post-Operative Management Of Cataract And Refractive Surgery
  • Posterior Blepharitis
  • Posterior Segment Exam
  • Pre-And Post-Operative Care For Eye Disease
  • Presbyopia
  • Presbyopia Correcting IOLs
  • Presbyopia Diagnosis and Treatment
  • Preschool Children
  • Prescription Eyeglass And Sunglass Fitting
  • Preventative Eye Exams
  • Primary Care
  • Primary Open-Angle Glaucoma (POAG)
  • Prism Lenses
  • Problem-Specific Examinations
  • Progressive Addition Lenses (PALs)
  • Progressive Lens Fitting With VisiOffice
  • Progressive Lenses
  • Prosthetic Lenses
  • Protective Eyewear
  • Protruding Eyes
  • Pterygium
  • Punctal Inserts
  • Punctal Occlusion
  • Punctal Plugs
  • Pupil And Nerve Testing
  • Pupil Evaluation With Or Without Dilation
  • Pupil Testing
  • Pure Aluminum Frames
  • ReStor Lens By Alcon
  • Recurring Eye Infections
  • Red Eye
  • Red Eye Medical Care
  • Red Eye Treatment
  • Red Eyes
  • Red Or
  • Reduced Tear Production
  • Refraction
  • Refraction Tests
  • Refractive Conditions
  • Refractive Errors
  • Refractive Lens Exchange (RLE)
  • Reichert 7
  • Reichert 7 Tonometer
  • Removal Of Foreign Bodies From The Eye (Such As Wood Or Metal)
  • Replacement of Contacts and Eyeglasses
  • Requiring Brighter Lighting When Focusing On Near Objects
  • Retina And Optic Nerve Analysis With Advanced Imaging
  • Retina Disease Associated With Diabetes
  • Retina Disease Associated With High Blood Pressure
  • Retina Evaluation
  • Retina Scans
  • Retinal Artery Occlusion
  • Retinal Camera
  • Retinal Damage
  • Retinal Detachment
  • Retinal Disorders
  • Retinal OCT
  • Retinal Photography
  • Retinal Tears
  • Retinal Tears And Detachments
  • Retinitis Pigmentosa
  • Retinopathy From Hypertension
  • Reverse Geometry Lenses Or
  • Rigid Gas Permeable (RGP)
  • Rigid Gas Permeable Lenses
  • Routine Eye Exams
  • RoutineEye Care
  • Rx Sunwear
  • Rx Swim And Sport Goggles
  • SPK
  • Safety Eyewear
  • Schirmer Test
  • Schirmer's Tear Testing
  • School Screening Program
  • School-Aged Children
  • Scleral Lenses
  • Scleral RGP
  • Scratch-Resistant Lenses
  • Scratched Eyes
  • Scratchy Eyes
  • Screening Visual Field
  • Secondary Cataracts
  • Secondary Glaucomas
  • Sensitive Eyes
  • Sensitivity To Glare
  • Sensitivity To Light
  • Sensorimotor Exam
  • Severe Corneal Damage
  • Severe Eye Allergies
  • Short Attention Span
  • Significant Visual Field Loss
  • Slit Lamp
  • Snellen Eye Chart
  • Soft Contact Lenses
  • Sore Eyes
  • Specialized Testing And Care For Cataracts
  • Specialized Testing And Care For Glaucoma
  • Specialized Vision Devices (Including Computer Software)
  • Specialty Contact Lens Fitting
  • Specialty Eyewear
  • Sports Eyewear
  • Sports Performance Exams
  • Sports Vision
  • Sports Vision Enhancement
  • Sports Vision Testing
  • Sports and Specialty Eyewear Fitting
  • Stainless Steel Frames
  • Stereo Vision
  • Stinging
  • Strabismus (Misalignment Or Crossing Of The Eyes)
  • Strabismus And Amblyopia Exam
  • Styes
  • Subconjunctival Hemmorage
  • Sudden Blurry Vision
  • Sudden Double Vision
  • Sudden Loss Of Vision
  • Sudden Loss Of Vision In One Or Both Eyes
  • Sudden Red/Painful Eye
  • Sunburned Eyes
  • Sunglasses
  • Superficial Punctate Keratitis
  • Surgical Co-Management
  • Swollen Eyelids
  • TBUT (Tear Break Up Time)
  • Tear Film Analysis
  • Tearing
  • Testing Visual Acuity Or Refractive Error
  • The Head Start Vision Initiative
  • Thinner And Lighter Lenses
  • Ticral Frames
  • Tilting The Head To One Side
  • Tinted Contact Lenses
  • Titanium Frames
  • Tonometry
  • Tonometry (Air Puff)
  • Tonometry (Glaucoma Test)
  • Topcon RMA-2000
  • Toric
  • Toric Contact Lenses
  • Toric Lenses
  • Toric Lenses For Astigmatism
  • Toric Multifocal Lenses
  • Tracking
  • Tracking
  • Traditional Corneal Staining
  • Trauma to the Eye
  • Traumatic Cataracts
  • Treatment Of Red-Eye And Eye Infections
  • Trouble Seeing At Night
  • Tumors
  • Tunnel Vision
  • Turned Or Crossed Eyes
  • Uncomfortable Eyes
  • Uveitis
  • Viral Pinkeye
  • VisiOffice
  • Vision Correction Surgery
  • Vision Exams
  • Vision Screenings
  • Vision Services For Visually Impaired
  • Vision Shaping Treatment (VST)
  • Vision Skills Enhancement Training
  • Vision Testing
  • Vision Therapy
  • Vision Therapy
  • Vision Therapy And Rehabilitation
  • Vision Therapy Referral
  • Visual Acuity
  • Visual Acuity Tests
  • Visual Aids
  • Visual Deficiencies Related To Eye Strain Or Fatigue
  • Visual Disorders
  • Visual Field Abnormalities
  • Visual Field Test
  • Visual Field Testing
  • Visual Field Tests
  • Visual Fields
  • Visual Perceptual Skills
  • Visual Perceptual/Developmental Exam
  • Visual Processing
  • Visual Processing Speed
  • Visual Rehabilitation
  • Visual Rehabilitation Services
  • Visual Training
  • Visual-Motor Integration
  • Vitreous Detachment
  • Watery Eyes
  • Watery Or Non-Painful 'Sticky' Eyes
  • Wavefront-Guided Ablations
  • Wet Macular Degeneration
  • Word And Letter Reversals
  • Zeiss Retinal Imaging

Languages

  • English
  • Portuguese
  • Spanish

Insurance

  • AAA Insurance
  • AARP
  • AARP Health Care Option
  • AARP Medicare Complete
  • Aetna
  • Aetna Medicare
  • Aetna PPO
  • AetnaVision
  • Affinity Health Plan
  • AmeriHealth Administrators
  • Amerigroup
  • Amerigroup RealSolutions
  • Ameritas
  • Anthem
  • Anthem BlueCross BlueShield
  • Anthem Medicare
  • Anthem Vision
  • Any
  • Auto Accident Insurance
  • Avesis
  • Block Vision
  • Blue Choice
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield Federal Employee Program
  • BlueCross BlueShield
  • BlueCross BlueShield PPO
  • CareCredit
  • Champ VA
  • Cigna
  • Cigna (out of network)
  • Cigna PPO
  • Cigna Vision
  • Clover
  • Coast to Coast Vision
  • Cole Managed Vision Care
  • CompBenefits
  • Davis Vision
  • Davis Vision (FEP only)
  • EmblemHealth
  • Eye Med
  • EyeFinity
  • EyeMed
  • Eyemed - Out Of Network
  • Eyemed Access
  • Eyemed Insight
  • Eyemed Vision Care
  • FEP Blue Cross Blue Shield
  • Fidelis Care
  • First Choice
  • Freedom Blue/Blue Cross
  • GVS (General Vision Services)
  • Health Net
  • HealthFirst
  • HealthNet
  • Healthchoice
  • Healthcomp
  • Highmark Blue Cross Blue Shield
  • Humana
  • Humana Gold
  • Humana Medicare
  • HumanaVision VCP
  • In-network or provider status may vary depending on individual's plan
  • Magnacare
  • March Vision
  • March Vision Care
  • Medicaid
  • Medicaid
  • Medicare
  • Medicare Part B
  • Medicare Supplements
  • MetLife
  • Metlife Vision
  • Most insurance accepted
  • Multiplan
  • Mutual Of Omaha
  • NVA - National Vision Administrators
  • Opticare
  • Optum Health
  • OptumHealth Vision
  • Oxford Health Plans
  • Palmetto
  • Palmetto GBA
  • Quest
  • Railroad Medicare
  • Safety Glasses
  • Spectera
  • Spectera
  • State Farm
  • Superior
  • Superior Vision
  • Superior Vision Plan
  • TRICARE
  • Tricare
  • Tricare Prime
  • UFT
  • UMR
  • Union Plans
  • United Health Care
  • United Healthcare
  • United Healthcare PPO (not Optimum Health)
  • UnitedHealthcare Community Plan
  • VBA
  • VCP
  • VCP/Compbenefits
  • VSP
  • VSP (Out of Network)
  • VSP EasyOptions
  • VSP Exam Plus
  • Versant Health
  • Vision Benefits of America
  • Vision Service Plan (VSP)
  • Wellcare Health Plans
  • Workers Compensation Fund
  • Workers' Compensation

Payments

  • American Express
  • Care Credit
  • Cash
  • Check
  • Debit
  • Discover
  • Financing
  • Mastercard
  • Visa

Staff

Sergio Ferreira

Certifications & Memberships

American Board of Opticians New Jersey Society of Optometric Physicians American Optometric Association