Dr. Clement Cheng
Ophthalmology
Santa Cruz, CA
23 years experience male
Locations
Bay Eye Medical Group
Santa Cruz, CA
Phone
Practice website
Insurances accepted
Medicare
Medi-Cal
Bay Eye Medical Group Watsonville
Watsonville, CA
About
Bio
Dr. Clement J. Cheng, is a comprehensive ophthalmologist who is board certified by the American Academy of Ophthalmology. His practice includes care for diabetes, glaucoma, macular degeneration, as well as adjustments for your contact lenses or glasses. Beyond general eye care, he is also a fellowship trained specialist in cornea, external disease, cataract management, and refractive surgery. Dr. Cheng continues to bring the lastest and most advanced treatments to the area by providing the newest method of corneal transplantation (DSEK) and next generation intraocular implants to improve distance and near vision.
Dr. Cheng has contributed to the ophthalmic literature with research in glaucoma physiology, wavefront guided LASIK, Fuchs corneal dystrophy, phakic intraocular lenses and cataract surgery after LASIK. He is actively interested in technology and its application to medicine and serves on the Physicians Medical Group's (PMG) Technology Committee.
Dr. Cheng is or has been a member of the American Academy of Ophthalmology (AAO), the American Society of Cataract and Refractive Surgeons (ASCRS), the Cornea Society, the Contact Lens Association of Ophthalmologists (CLAO), and the American Medical Association.
SpecialtiesDoctors may have more than one area of specialty interest. Board certification in a specialty area means the doctor has completed formal training and has practice experience in that specialty, and has passed the certification examination from the corresponding accredited medical specialty board.
Doctors may have more than one area of specialty interest. Board certification in a specialty area means the doctor has completed formal training and has practice experience in that specialty, and has passed the certification examination from the corresponding accredited medical specialty board.
Ophthalmology
Languages spoken
Mandarin
Doctor Q&A
95 Answers
40 Agrees
The number of answers this doctor has agreed with.
A 33-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Usually not: The differential diagnosis for "spots" in your vision is varied with the most common cause being floaters secondary to a vitreous detachment. Other c... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.9k viewsReviewed >2 years ago
A 21-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Blurry vision: There are many symptoms of cataracts from early ones like glare, poor night vision, blurry vision at extremes of vision. Eventually the cataracts wil... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years agoMerged
A 26-year-old female asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Keep treating: This could still be related to the stye that has not fully recovered. Would try warm compresses and use artificial tears as needed. If this does not... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 18-year-old male asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Use correction: You can start with glasses or contact lenses. More aggressive treatment may involve laser refractive surgery. There is no good evidence ortho-k can ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 43-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Depends: The uncorrected vision after corneal transplantation surgery will vary depending on many factors including healing of the corneal surface, decreasing ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
6.2k viewsAnswered >2 years ago
A 53-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Yes: Laser refractive surgery (such as lasik) is just one method of visual correction. The most common and least risky method is of course using glasses o... Read More
Created for people with ongoing healthcare needs but benefits everyone.
6.4k viewsAnswered >2 years ago
A 38-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Usually: Sore eyes usually is also associated with tired eyes that feel better with blinking or closing the eyes. This usually suggests a problem with dryness... Read More
Created for people with ongoing healthcare needs but benefits everyone.
6.2k viewsReviewed >2 years ago
A 40-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
No: Contact lenses are one method to correct the refractive error in your visual system (eyes) so that you can see more clearly. If your best corrected v... Read More
Created for people with ongoing healthcare needs but benefits everyone.
6.4k viewsReviewed >2 years ago
A 31-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
No: There are no known "excercises" that have been shown in good medical studies to permanently improve your best corrected vision. The visual system is ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
6.4k viewsReviewed >2 years ago
A 45-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Worse dry eyes: Lasik has known risk factors including causing or worsening dry eyes. The creation of the flap as well as the laser process disrupts the normal corne... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsAnswered >2 years ago
A 35-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Start with tears: For dry eyes, it would be best to start with artificial tears. There are many brands to choose from including systane, refresh, genteal, blink, etc. ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
A 37-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Anti-inflammatory: The best medication for acute corneal edema after cataract surgery will be with topical steroids. This class of medications decreases inflammation an... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
A 33-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
When you can't see: Presbyopia is the loss of focusing in your eyes for near vision. It happens to everyone to some degree starting in your forties. Using readers simpl... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.8k viewsAnswered >2 years ago
A 42-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Careful here: There normally are conjunctival vessels on the white part of the eye which are needed to bring the normal blood and nutrients to that part of the eye.... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.8k viewsReviewed >2 years ago
A 29-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Different options: There are a few different options for a sunglass tint added to your existing glasses. The most common are "clip-ons" which are usually magnetic attac... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.8k viewsReviewed >2 years ago
A 33-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Few days usually: It depends on the area of the abrasion and how deep it is. Usually the area will heal 50% every day so a small abrasion will heal fairly fast. Large... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.8k viewsAnswered >2 years agoMerged
A 42-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Get more info: Dry eye syndrome (or dysfunctional tear syndrome) can have different levels of severity from only symptoms to significant damage to the ocular surface... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.9k viewsAnswered >2 years ago
A 40-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Usually tear ducts: There can be many causes for tearing and mucus in a baby's eyes. If those are the only symptoms/signs then a common cause are tear ducts that have no... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.9k viewsReviewed >2 years ago
A 30-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Many choices: This will require a complete discussion with your surgeon as there are different intraocular lenses based upon your target vision after surgery. Ther... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
A 36-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
A serious problem: A corneal ulceration refers to the cornea surface (clear tissue in front of pupil) breaking down through inflammation or infection. More common are c... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.9k viewsReviewed >2 years ago
A 58-year-old female asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
It depends: For all professions there are different levels of training. In some states, optometrists may receive additional training for glaucoma evaluation and ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 22-year-old female asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Scar tissue?: Sun exposure and irritation in the white part of the eye (conjunctiva) can increase the risk for the development of pinguecula and pterygium, which ar... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Depends on where: As you suggested, chalazions or styes, are a common cause of inflammation of the eyelid. Other less common causes include a tear duct infection (dacr... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.9k viewsAnswered >2 years ago
A 29-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Only for infection: Trifluridine (viroptic) is usually used for herpetic viral infections of the eye. The usual dosage is one drop 8-9x/day for 1 week and then tapering... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.8k viewsAnswered >2 years ago
A 43-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
A few: Possible disadvantages for prk (as compared to lasik) include longer healing time (weeks), more significant pain, need for stronger pain meds, corneal... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
A 40-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Usually not: Like blood pressure, it is difficult to feel any change unless it is at the extremes. Extreme high eye pressure is an emergency and results in loss o... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.8k viewsAnswered >2 years ago
A 47-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Different areas: Basically each eye can be near (myopic) or far sighted (hyperopic) and then have loss of reading vision (presbyopic). Glasses can correct for the dis... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.8k viewsAnswered >2 years ago
A 39-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Yes: Though uncommon, there are ways for someone to change from near to far-sightedness. The most common way is from natural aging (growth of eye) and fro... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.8k viewsAnswered >2 years ago
A 38-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Depends: Most nearsighted people will continue to have near vision and have delayed loss of reading vision. Some patients may lose their near vision but gain ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.8k viewsAnswered >2 years ago
A 38-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Arms to short: When you notice that you can't hold things out far enough to see and all the small print is very difficult. Usually starts in your forties to some de... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.8k viewsReviewed >2 years ago
A 43-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Usually yes: Typically a spectacle prescription would be first so we could see how the vision improves and have a back up pair of glasses available. Then contact ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.8k viewsReviewed >2 years ago
A 40-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
ForeignBodySensation: Fbs is the feeling that there is something there (lash, grain of sand, etc) but in fact there is nothing there. This is usually caused by an irritati... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.8k viewsAnswered >2 years ago
A 38-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Yes: Both these drops are vaso-constrictors that constrict the blood vessels on the surface of the eye. They should only be used for a short time. Long t... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsAnswered >2 years ago
A 45-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
ForeignBodySensation: Fbs is the feeling that there is something there (lash, grain of sand, etc) but in fact there is nothing there. This is usually caused by an irritati... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.8k viewsAnswered >2 years ago
A 41-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Only for infection: Trifluridine (viroptic) is usually used for herpetic viral infections of the eye. The usual dosage is one drop 8-9x/day for 1 week and then tapering... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.8k viewsAnswered >2 years ago
A 37-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Perhaps: A corneal ulcer is a vert serious infection usually caused by a virus or bacteria and rarely by atypical micro-organisms. If it is not controlled wit... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 33-year-old female asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Ocular Migraine?: This could be an ocular migraine which occurs in the visual processing centers of the brain and results in classic zig zag lines or prismatic colors. ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsReviewed >2 years ago
A 38-year-old female asked:
Have a jelly clear like spot on outside of white part of eye with irratation and swelling under eye?
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Allergic reaction: A swelling on the white part of the eye (conjunctiva) that looks like jelly is most likely chemosis. This is most commonly caused by an allergic reac... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 58-year-old female asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Possibly: Floaters are caused when the jelly in the back of the eye (vitreous) separates and causes a shadow to form on the retina. This can sometimes cause bl... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 35-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Naphcon = medication: Naphcon drops are vaso-constrictors that constrict the blood vessels on the surface of the eye. They should only be used for a short time. Long term... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsAnswered >2 years ago
A 37-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Yes: Presbyopia is the loss of focusing in your eyes for near vision. It happens to everyone to some degree starting in your forties. Using readers simpl... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.8k viewsReviewed >2 years ago
A 21-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
No: There are a few restrictions after cataract surgery including limiting water into the eye, limiting lifting heavy weights, and avoiding activity with ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
6.2k viewsReviewed >2 years ago
A female asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Yes: There are toric contact lenses that will correct for both near sighted ness and astigmatism. Also traditional rigid gas permeable lenses will also be... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 30-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Rephrase question: The normal axial length of an eye is around 24mm. As the eye get longer than 24mm it will usually produce more myopia or nearsightedness. This can b... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.9k viewsAnswered >2 years ago
A 40-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Surface vs infection: Usually a corneal abrasion is just a scrape on the surface layer of the cornea. These tend to heal and are self limited depending on size. A cornea... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.8k viewsReviewed >2 years ago
A 30-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
A = antihistamine: Naphcon is a vaso-constrictor that constricts the blood vessels on the surface of the eye. Naphcon-a also contains an anti-histamine for allergy symp... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsAnswered >2 years ago
A 36-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Allergy: Usually for allergic conjunctivitis as cromolyn drops are mast cell inhibitors that prevent the release of mediators that lead to itching and swelling... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed Jun 23, 2021
A 42-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Irrigation : First your eye will water and you can try to blink it out. Usually most foreign bodies will work themselves out this way. Then try using artificial ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.8k viewsReviewed >2 years ago
A 44-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Decompensation: Corneal decompensation occurs when the corneal endothelial cells stop working properly and the cornea starts to build up fluid. This leads to corneal... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.8k viewsAnswered >2 years ago
A 33-year-old member asked:
Dr. Clement Chenganswered
Ophthalmology 23 years experience
Steroid side effects: As with all steroid eye drops there can be side effects. The most common are formation of cataracts and an increase in intraocular pressure leading t... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
TestimonialsRecommendations and Thank you notes are endorsements given from patients or other doctors.
Recommendations and Thank you notes are endorsements given from patients or other doctors.
3
Recommendations
243
Thank you notes
Jul 8, 2012
Best private practice dseak surgeon in bay area!
HealthTap member
Mar 30, 2015
Dr. Cheng is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Mar 31, 2015
Dr. Cheng is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Thank you very much for the answer. I checked 3 sites before this one
HealthTap member
Thank you, your answer or tip was very helpful! thanks brothers
HealthTap member
Thank you, your answer or tip was very helpful!
Education & Training
Medical/Graduate school
Northwestern University Feinberg School of Medicine, IL
Graduated 2000MD
Residency
CARNEY HOSPITAL
Residency
NYU HOSPITALS CENTER
Awards
HealthTap Founding Doctor
Affiliations
American Academy of Ophthalmology
American Society of Cataract and Refractive Surgery
Cornea Society
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