Locations
Office
Jersey City, NJ
About
Bio
Fellowship Trained Corneal Surgeon. Practicing General ophthalmology with Corneal and Refractive Surgery. Medical Director of the Lions Eye Bank of New Jersey. Clinical Professor of Ophthalmology at UMDNJ.
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
English
Doctor Q&A
96 Answers
31 Agrees
The number of answers this doctor has agreed with.
A 21-year-old member asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
No: Sarcoidosis is more prevalent in swedes, danes & us blacks. Women slightly more than men. No relationship to occupation.
Created for people with ongoing healthcare needs but benefits everyone.
5.6k viewsReviewed >2 years ago
A 47-year-old member asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
Albino: There are variations in the types of albinos.
Created for people with ongoing healthcare needs but benefits everyone.
5.6k viewsReviewed >2 years ago
A 34-year-old member asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
An Ophthalmologist: "night blindness" can be caused by a number of retinal diseases, but most often it is simply related to aging changes, and, in fact, is not night blin... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.5k viewsAnswered >2 years ago
A 24-year-old female asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
Take him in: Particularly if one eye is notably worse than the other as you note, could well be an infection. He needs to be evaluated.
Created for people with ongoing healthcare needs but benefits everyone.
5.4k viewsReviewed >2 years ago
A 34-year-old member asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
Give them away: There are organizations, one is called new eyes for the needy. They collect used glasses. Many of these donations go overseas because of limitations i... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
A 59-year-old female asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
CONTROL BLOOD SUGAR: Vision will often fluctuate when the blood sugar levels drop after being over 300. However you can also have retina bleeding so you should be checked.
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsAnswered >2 years ago
A 47-year-old member asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
Short time: We need to differentiate between narrow angles, which is a discriptive anatomic condition, where the anterior chamber angle is narrow, and a narrow a... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
A 49-year-old female asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
Not likely ss stated: It would be difficult to explain why closing your eyes would make them red. More likelywhile sleeping your eyes are open slightly, allowing exposure w... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.6k viewsAnswered >2 years ago
A 35-year-old member asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
NO: Macula degeneration will cause a decrease in central vision. Night blindness is related to a loss of peripheral retinal receptors.
Created for people with ongoing healthcare needs but benefits everyone.
5.5k viewsReviewed >2 years ago
A 34-year-old member asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
Yes: Epstein-barr has been associated with this condtiin.
Created for people with ongoing healthcare needs but benefits everyone.
5.6k viewsReviewed >2 years ago
A 47-year-old member asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
Yes: Xerophthalmia refers to the changes that occur with vitamin a deficiency. Taking leiter amountsof vitamin a will allow the body to repair most of the ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.6k viewsAnswered >2 years ago
A 30-year-old member asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
YES: Any laser can cause damage to the eye. It depends on the aim, the power and the wavelength of the laser light. Never look into a laser pointer or fool... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsAnswered >2 years ago
A 31-year-old member asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
Irritation: Eyelid twitching is secondary to nerve or muscle fiber irritation. You do not need to treat it. That being said, it can be annoying. Try hot compresse... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
A 58-year-old female asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
Difficult to tell: Depends on what instrument is used to access the eye.
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 62-year-old male asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
A number of things: New onset of rapid eye movement.... Nystagmus can be caused by drugs, trauma, a stroke, or even a tumor. You should be evaluated by an ophthalmologist... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 30-year-old female asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
May not need to: If you had a clear lens extraction, you were likely either very near sighted or very far sighted beforehand. Either of these conditions can be associa... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsReviewed >2 years ago
A 36-year-old male asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
See an ophthalmolog: Don't mess around, if stuck by a sharp object like a pin, it can easily puncture the eye
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsReviewed >2 years ago
A 47-year-old member asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
Visual comfort.: If you see well enough to do the other activities you particpate in, then just use your glasses when you feel the need to see better. However, don't b... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.5k viewsReviewed >2 years ago
A 46-year-old member asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
Hot compresses: Use hot tap water, very hot, but careful not to burn yourself. Use for 5 to 10 minutes, 4 times a day until gone. If does not go away, you might want ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsReviewed >2 years ago
A 19-year-old female asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
Other symptoms?: Zaditor (ketotifen) is a topical antihistamine, often useful for eye allergies. Whitish discharge in the am could be mucous from allergies or irritati... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 38-year-old member asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
Unknown: Impossible to give a meaningful answer. You should see an ophthalogist who does laser surgery and be evaluated.
Created for people with ongoing healthcare needs but benefits everyone.
5.4k viewsReviewed >2 years ago
A 33-year-old member asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
Depends: Small detachments can sometimes be repaired with laser, other times surgery, sometimes along with laser is necessary.
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 16-year-old male asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
Hot compresses: Use plain hot compresses to help these plugged glands empty and resolve. Stay away from harsh cleansers around the eye.
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 26-year-old female asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
Floaters: It is not uncommon to have floaters when you are nearsighted. Lasik should not affect those at all. If you went into your ophthalmologist and he/she d... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 37-year-old member asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
Yes and No: For refractive surgery - not any kind of mark that is visible to you or your acquaintances.
Created for people with ongoing healthcare needs but benefits everyone.
5.4k viewsReviewed >2 years ago
A 18-year-old female asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
Eye, or lid?: Most common twitching is the eyelid. Caused by nerve or muscle fibril irritation. Aggregated by caffeine .... Coffee, tea, colas, chocolate. Relieved ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 41-year-old female asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
Maybe: Lasik can correct hyperopia, to some degree, though does better on myopia and astigmatism. In accommodative esotropia there is an increased ratio of n... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.4k viewsReviewed >2 years ago
A 53-year-old female asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
Need more info: If yag laser was completed, and opening adequate, the the other issues would be......Need for glasses , clarity of the cornea, and/ or the functioning... 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. William Constadanswered
Ophthalmology 43 years experience
NO: The rods and the cones - the light receptors in the retina are in fixed positions and do not migrate.
Created for people with ongoing healthcare needs but benefits everyone.
5.4k viewsReviewed >2 years ago
A 22-year-old female asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
More information: You need to better understand what you have. Get a diagnosis from one of the specialists you have seen. Ask them for printed information to explain yo... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsReviewed >2 years ago
A 32-year-old female asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
See an eye doctor: There are prescription medications that will likely help. Either an antihistamine, or antihistamine combination drop, steroid eye drops are sometimes ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsReviewed >2 years ago
A 23-year-old female asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
No: Use some artificial tear to help rinse out the discharge. Then use comfortably hot compresses on the closed eye to help the style finish draining. The... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.9k viewsReviewed >2 years ago
A 37-year-old member asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
About a week: If, by "a red dot" you are referring to a sub conjunctival hemorrhage . However if the redness seems to get worse, is accompanied by pain, discharge o... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.9k viewsReviewed >2 years ago
A 27-year-old female asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
Medication: It is difficult to say for sure what you have, but a condition called membranous conjunctivitis would fit. If so, you would be more comfortable with s... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsReviewed >2 years ago
A 21-year-old member asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
No: Sarcoidosis is a connective tissue disorder. It can cause a largevariety of symptoms, from breathing difficulties to inflammation in the eye.
Created for people with ongoing healthcare needs but benefits everyone.
5.6k viewsReviewed >2 years ago
A 21-year-old member asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
Tractional: Scar tissue and abnormal blood vessels can pull on the retinal, causing a detachment.
Created for people with ongoing healthcare needs but benefits everyone.
5.6k viewsAnswered >2 years ago
A 18-year-old male asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
Chalazion: A stye or chalazion results from an oil producing tear gland that got obstructed, then split open releasing its oil to the soft tissues in the eyelid.... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsAnswered >2 years ago
A 18-year-old female asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
Dried mucus: Mucus, which is produced as part of the tear film is an important part of your eye's health. It not only functions to help lubricate the ocular surfac... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.6k viewsAnswered >2 years ago
A 48-year-old member asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
NO: Eye / hand coodination is a motor skill that can be enhanced through training - training would depend on the purpose. For instance - eye hand coordina... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsAnswered >2 years ago
A 47-year-old member asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
No: Nearsightedness results from improper focus of the light rays. Exercises will not change that.
Created for people with ongoing healthcare needs but benefits everyone.
5.5k viewsReviewed >2 years ago
A 54-year-old female asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
Depends on drops: Most over the counter drops should be fine to use. Even prescription eye drops will not generally affect cataract development, with the exception of s... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.9k viewsReviewed >2 years ago
A 20-year-old male asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
Lubrication: The CPAP machine mask on your face will leak air, blowing up towards your eyes. This can cause dryness, and secondarily redness and irritation. Try us... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsReviewed >2 years ago
A 24-year-old male asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
Likely dryness: If you are within 0.75 d of plano (+/- 0.75), then the most likely cause of visual fluctuation is an unstable tear film. Try lubricating drops on a re... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsAnswered >2 years ago
A 18-year-old female asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
Possibly: Birth control pills, and antihistamines, among other drus, are known to cause dry eyes. The degree of symptoms vary, sometimes requiring only occasion... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsReviewed >2 years ago
A 23-year-old female asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
Yes: Not uncommon for nystagmus to develop with long standing poor vision.
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsAnswered >2 years ago
A 44-year-old member asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
No: A lazy eye usually develops during the first three months of life. However early childhood trauma or disease affecting one or both eyes before the age... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.9k viewsReviewed >2 years ago
A 24-year-old female asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
Yes: While not all pathogens ( bacteria, viruses, fungi) can pass from dog to human, or human to dog, many can.
Created for people with ongoing healthcare needs but benefits everyone.
4.9k viewsReviewed >2 years ago
A 44-year-old member asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
Different eye Rx: Anisometropia refers to a difference in the measurement of the need for eyeglasses between the two eyes.
Created for people with ongoing healthcare needs but benefits everyone.
5.5k viewsReviewed >2 years ago
A 21-year-old male asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
Could be: Be sure that the doctor did a dilated exam of the back of the eye. They would have put in drops and had you wait 15-30 minutes for the drops to have w... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 23-year-old female asked:

Dr. William Constadanswered
Ophthalmology 43 years experience
No: If you are referring to pigmentation on the white part of the eye, this is normal, unless it is changing. If you are referring to a "freckle" inside t... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >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.
2
Recommendations
221
Thank you notes
HealthTap member
Mar 30, 2015
Dr. Constad is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Mar 31, 2015
Dr. Constad is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Thanks for your quick reply! Tyvm.i have now read way way too much on dr google:( my anxiety causing internet friend! So tyvm for responding. I will take advice.
HealthTap member
This was very helpful. Thanks! Thanks Dr. William. I will try your recommendation when I get the twitch again. I just don't know what to do when it get it.
HealthTap member
Thank you. I guess it's nothing because there's no pain or discomfort. More like blood clot and I want bright eyes. Thanks again! !
Education & Training
Medical/Graduate school
Medical College of Pennsylvania, PA
Graduated 1980MD
Awards
Top Ophthalmologist , Third Place, New Jersey - Winter
2013
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