Skip to main content
General Ophthalmic Problems·Chino Hills, San Bernardino County

Tratamiento de Accommodative Spasm en Chino Hills, California

Medically reviewed by Dr. Alexander Bonakdar, O.D. · Updated April 2026

Accommodative spasm — also called ciliary muscle spasm or spasm of the near reflex — occurs when the ciliary muscle inside the eye contracts involuntarily and fails to relax back to its resting state after prolonged near work. Because ciliary muscle contraction is what allows the eye's natural lens to focus up close, a muscle that stays locked in this contracted state produces pseudomyopia: the eye behaves as if it is nearsighted even though its actual, uncontracted refractive error may be normal or only mildly myopic. Patients typically describe fluctuating blur at distance that comes and goes throughout the day, difficulty refocusing quickly between near and far objects, frontal or brow-area headaches, eye strain, and sometimes mild eye discomfort or a pulling sensation. The condition is most common in students, office workers, and anyone doing sustained close-up screen or reading work without regular breaks, since prolonged near focus is the trigger that overworks the ciliary muscle. Accommodative spasm can also occur alongside — and sometimes mimic — accommodative excess, and can be associated with convergence spasm, which produces an intermittent crossed-eye appearance (a form of esotropia) along with the blur. The single most important diagnostic step is cycloplegic refraction: eye drops that temporarily paralyze the ciliary muscle so it cannot contract, allowing the doctor to measure the eye's true, unspasmed refractive error. This is the key differentiator between accommodative spasm and true myopia — if the prescription measured with the ciliary muscle relaxed is significantly lower than the prescription measured normally, the difference is accommodative spasm rather than actual nearsightedness, and prescribing a full myopic correction based on the spasmed measurement would overcorrect the patient. Management starts with breaking the spasm using cycloplegic drops on a short-term basis, combined with vision-hygiene changes such as scheduled breaks from near work (the 20-20-20 rule), reduced continuous screen time, and proper reading distance and lighting. For patients whose spasm keeps recurring, or where an underlying binocular vision imbalance is contributing, in-office vision therapy that retrains flexible, comfortable focusing between distances is often added. Because the symptoms overlap so closely with true myopia and with eye-strain-related headache, a comprehensive exam including cycloplegic refraction is the only reliable way to tell them apart.

Chino Hills residents with accommodative spasm can experience symptoms that interfere with daily activities. Environmental factors unique to Orange County—strong sunlight, dry air, and screen-heavy lifestyles—can influence how your refractive error presents.

Dr. Bonakdar on Accommodative Spasm

Direct Answers from Dr. Bonakdar

Dr. Alexander Bonakdar at EyeCare Center of Orange County provides expert accommodative spasm diagnosis and treatment for patients in Chino Hills and throughout Orange County. With over 35 years of clinical experience and advanced diagnostic technology, each patient receives a personalized treatment plan based on their specific condition severity and lifestyle needs.

What is Accommodative Spasm?

Accommodative spasm — also called ciliary muscle spasm or spasm of the near reflex — occurs when the ciliary muscle inside the eye contracts involuntarily and fails to relax back to its resting state after prolonged near work. Because ciliary muscle contraction is what allows the eye's natural lens to focus up close, a muscle that stays locked in this contracted state produces pseudomyopia: the eye behaves as if it is nearsighted even though its actual, uncontracted refractive error may be normal or only mildly myopic. Patients typically describe fluctuating blur at distance that comes and goes throughout the day, difficulty refocusing quickly between near and far objects, frontal or brow-area headaches, eye strain, and sometimes mild eye discomfort or a pulling sensation. The condition is most common in students, office workers, and anyone doing sustained close-up screen or reading work without regular breaks, since prolonged near focus is the trigger that overworks the ciliary muscle. Accommodative spasm can also occur alongside — and sometimes mimic — accommodative excess, and can be associated with convergence spasm, which produces an intermittent crossed-eye appearance (a form of esotropia) along with the blur. The single most important diagnostic step is cycloplegic refraction: eye drops that temporarily paralyze the ciliary muscle so it cannot contract, allowing the doctor to measure the eye's true, unspasmed refractive error. This is the key differentiator between accommodative spasm and true myopia — if the prescription measured with the ciliary muscle relaxed is significantly lower than the prescription measured normally, the difference is accommodative spasm rather than actual nearsightedness, and prescribing a full myopic correction based on the spasmed measurement would overcorrect the patient. Management starts with breaking the spasm using cycloplegic drops on a short-term basis, combined with vision-hygiene changes such as scheduled breaks from near work (the 20-20-20 rule), reduced continuous screen time, and proper reading distance and lighting. For patients whose spasm keeps recurring, or where an underlying binocular vision imbalance is contributing, in-office vision therapy that retrains flexible, comfortable focusing between distances is often added. Because the symptoms overlap so closely with true myopia and with eye-strain-related headache, a comprehensive exam including cycloplegic refraction is the only reliable way to tell them apart.

How is Accommodative Spasm treated?

Treatment options include Cycloplegic eye drops (short-term, to break the spasm), Cycloplegic refraction to determine the true prescription, Vision-hygiene changes (20-20-20 rule, reduced continuous near work), Reading glasses or bifocals to reduce focusing demand. The best approach depends on your specific diagnosis, severity, and lifestyle needs.

What are the symptoms of Accommodative Spasm?

Common symptoms include Fluctuating blurred distance vision, especially after near work, Frontal or brow-area headaches, Eye strain or eye pain, Difficulty relaxing focus after reading or screen use, Occasionally an intermittent crossed-eye appearance. If you experience any of these, a comprehensive eye examination can determine the cause.

What are the symptoms of Accommodative Spasm?

Chino Hills residents experiencing any combination of the following symptoms should schedule a comprehensive evaluation:

  • Fluctuating blurred distance vision, especially after near work
  • Frontal or brow-area headaches
  • Eye strain or eye pain
  • Difficulty relaxing focus after reading or screen use
  • Occasionally an intermittent crossed-eye appearance

How is Accommodative Spasm treated?

Treatment for Chino Hills patients is tailored to the specific type and severity of their condition. Options available at our practice include:

Cycloplegic eye drops (short-term, to break the spasm)
Cycloplegic refraction to determine the true prescription
Vision-hygiene changes (20-20-20 rule, reduced continuous near work)
Reading glasses or bifocals to reduce focusing demand
Vision therapy for recurring or binocular-vision-related cases

Accommodative Spasm FAQs for Chino Hills Patients

Common questions from Chino Hills patients about our eye care services

At EyeCare Center of Orange County, we diagnose accommodative spasm using advanced diagnostic equipment including corneal topography, OCT imaging, and comprehensive eye examinations. Chino Hills patients receive the same comprehensive diagnostic technology used at major academic eye centers, right here in Orange County.
We offer comprehensive treatment options for accommodative spasm including specialty contact lenses, medical therapy, and advanced procedures. Dr. Bonakdar personalizes each Chino Hills patient's treatment plan based on condition severity, lifestyle demands, and long-term visual goals.
Call (949) 323-3600 or book online. Initial consultations take 60-90 minutes and include comprehensive testing. Our centrally located Orange County practice is easily accessible from Chino Hills, with appointment times designed to fit your schedule.
We accept most major vision and medical insurance plans including VSP, EyeMed, and Medicare for accommodative spasm diagnosis and treatment. We don't take Medi-Cal. We verify your coverage and discuss costs before any procedures.

Have more questions? Call us at (949) 323-3600

We don't take Medi-Cal

Accommodative Spasm Care for Chino Hills Residents

Chino Hills residents experiencing accommodative spasm have access to the full spectrum of refractive care at our practice. Our centrally located Orange County practice is easily accessible for Chino Hills residents, with flexible scheduling to accommodate your needs. With advanced corneal mapping and wavefront diagnostics, Dr. Bonakdar creates precise prescriptions that account for your unique visual demands—whether for driving, reading, or screen work. We evaluate candidates for glasses, specialty contacts, ortho-K, and surgical co-management to find the approach that best matches your lifestyle and visual goals.

About Chino Hills

Affluent hillside community with excellent schools and Asian-American population

Population: 78,000+

Affluent familiesAsian-American communityProfessionalsOutdoor enthusiasts

Languages Spoken in Chino Hills

Our practice serves the diverse Chino Hills community. We provide care to patients who speak:

EnglishMandarinKoreanSpanishTagalog

Eye Health Priorities for Chino Hills

  • Comprehensive eye examinations
  • Contact lens fittings
  • Glasses and eyewear
  • Eye disease treatment
  • Emergency eye care

Conveniently Located Near Chino Hills Landmarks

Our Orange County practice is easily accessible for Chino Hills patients living near:

Chino Hills State Park
The Shoppes at Chino Hills
Vellano Country Club
Los Serranos Country Club
Ayala High School

Getting to Our Office from Chino Hills

Drive Time
30 min
Primary Route
57 Freeway
Distance
18.5 mi

Chino Hills patients typically reach our Santa Ana office via the 57 Freeway in approximately 30 minutes. Free on-site parking is available in our building.

801 N Tustin Ave, Ste 404, Santa Ana, CA 92705 — Get Directions

Chino Hills Neighborhoods We Serve

  • Vellano
  • Los Serranos
  • Butterfield Ranch
  • Western Hills

Zip codes: 91709

Why Chino Hills Patients Choose EyeCare Center for Accommodative Spasm

35+ Years of Experience

Dr. Alexander Bonakdar has served Orange County since 1991, with extensive experience treating accommodative spasm.

Advanced Diagnostics

OCT imaging, corneal topography, visual field testing, and retinal photography for precise diagnosis.

Insurance Accepted

VSP, EyeMed, Medicare, and most major vision and medical insurance plans. We do not accept Medi-Cal.

Convenient for Chino Hills

Open Monday through Friday 9 AM – 6 PM with easy access from Chino Hills and surrounding communities.

Dr. Alexander Bonakdar, O.D. — Optometrist at EyeCare Center of Orange County specializing in keratoconus and scleral lenses
Dr. Alexander Bonakdar, O.D. — California-licensed Optometrist with 35+ years of specialty contact lens practice. Graduate of the Illinois College of Optometry.

Your Accommodative Spasm Specialist in Chino Hills

Dr. Alexander Bonakdar is a California-licensed Optometrist (O.D.) with over 35 years of experience treating accommodative spasm and complex eye conditions. A graduate of the Illinois College of Optometry, he has helped over 10,000 patients achieve and maintain clear vision.

35+ Years10,000+ PatientsIllinois College of Optometry
Learn more about Dr. Bonakdar →

Patient Stories from Chino Hills

See why your neighbors in Chino Hills trust us with their vision.

Comprehensive Exam

"Not a fan of getting my eyes checked but the receptionist and Dr. were very nice and eased my anxiety."

emily garcia
Santa Ana, CA

Comprehensive Exam

"I came back for my yearly visit and had a great experience as always."

Eduardo arias
Santa Ana, CA

Schedule Your Accommodative Spasm Consultation

Expert diagnosis and treatment for Chino Hills and San Bernardino County residents.

Call (949) 323-3600

No aceptamos Medi-Cal