expert type icon EXPERT

Dr. Harry Ls Knopf, MD

Ophthalmologist

Dr. Harry Knopf is an ophthalmologist practicing in Saint Louis, MO. Dr. Knopf specializes in eye and vision care. As an ophthalmologist, Dr. Knopf can practice medicine as well as surgery. Opthalmologists can perform surgeries because they have their medical degrees along with at least eight years of additional training. Dr. Knopf can diagnose and treat diseases, perform eye operations and prescribe eye glasses and contacts. Ophthalmologists can also specialize even further in a specific area of eye care.
57 years Experience
Dr. Harry Ls Knopf, MD
  • Saint Louis, MO
  • Harvard Med Sch, Boston Ma
  • Accepting new patients

What are the treatment options for high eye pressure?

Usually meds (eye drops) first, but you may need a laser procedure. Filtering surgery is usually the last thing.

What are the symptoms of a torn retina?

The most common symptoms are light flashes, floaters and loss of part of the peripheral vision.

Can high blood pressure affect your eye sight?

Yes. The circulation into each eye is carried by small blood vessels that can be damaged by high blood pressure.

Can I get new glasses without an eye exam?

Yes - if you get the same Rx as you already have.

For how long does Uveitis lasts?

Uveitis is a general term. A specific diagnosis will more accurately predict duration.

Can antibiotic eye drops treat corneal injury?

It is only to prevent infection while your body heals the injury.

Are eye floaters normal in excessive sunlight?

Individuals with floaters will visualize them in bright light, because the small pupil and bright background allows shadowing by the small particles that make up the actual vitreous READ MORE
Individuals with floaters will visualize them in bright light, because the small pupil and bright background allows shadowing by the small particles that make up the actual vitreous floaters. The shadow appears to be larger than the actual particle.

What does pigmented lattice mean?

It is one of a group of peripheral changes of the retina seen in older patients. If there are no holes, the prognosis is good. You need to discuss it with the doctor.

What causes pigmentation of one's subretina?

There can be a number of things to cause such a finding. You should ask your physician.

Why am I seeing flashes in my eye?

You need to be evaluated by an ophthalmologist for possible retina problems.

Are eyeglasses better than contact lenses?

Sometimes. For high powers, cl’s give sharper vision. But mostly the difference is minimal.

My son's eyes are red and sensitive to light. What can be the cause?

There are a number of different causes. You need to have him evaluated by an ophthalmologist.

Can I wear contact lenses beyond the recommended use?

The recommended schedule is okay for most people. Probably best to continue.

Can stress make my eyelid twitch?

Yes. But many other conditions can contribute. Get an exam.

Can optometrists treat glaucoma, or should I go to an ophthalmologist?

In most cases, ophthalmologists are better trained.

Headaches from glasses. Is it serious?

Most common reason is that the glasses are incorrect. Get another exam.

Can an ophthalmologist write medication prescriptions?

Yes. Ophthalmologists are licensed MDs. Optometrists and opticians are not MDs.

Can a cataract recur in a person?

No. Cataract changes occur in tissue called “lens” inside the eye. If the entire lens was removed, it cannot grow back. Another cause for blurred vision needs to be found. If READ MORE
No. Cataract changes occur in tissue called “lens” inside the eye. If the entire lens was removed, it cannot grow back. Another cause for blurred vision needs to be found. If the lens was only partly removed, the the remaining membranes may become opaque.

How can I avoid dry eye disease?

Sorry, but there are no fixed answers. It is easier to describe things you can do to treat dry eyes. If it is a genetic connection, there are no “fixes.”

My left eye has been constantly watering. What can I do about it?

Watering has a number of causes. You need an exam by an ophthalmologist to determine what needs to be done.