Are you having back pain with any of the following?

  • Severe pain, weakness or tingling in your leg(s).
  • Difficulty stopping urination or loss of control of bladder or bowels.
  • Unexplained fever, nausea or vomiting.
  • A history of cancer or unexplained weight loss.

We understand that you are experiencing one or more of the health issues that might be impacting your back pain.

We recommend that you discuss these health issues with your doctor before proceeding with this program.

Once you are cleared by your doctor to do this program, we hope it helps you find relief from your back pain.

Provider photo for Eun-Ha Park

Eun-Ha Park, MD


Welcome to My Doctor Online, a website my colleagues and I developed to make it easier for you to take care of your healthcare needs. On this site you will find answers to many of your questions about my clinical practice. Also included are several online features that will allow you to e-mail me, check your laboratory results and refill prescriptions. If you are a patient who sees me regularly, you can reach my office directly at 650-301-5807

My Offices

Daly City Medical Offices
Appt/Advice: 650-301-5800

See all office information »

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Frequently Asked Questions (FAQs)

Ophthalmology Frequently Asked Questions

What is the difference between an ophthalmologist, an optometrist and an optician?

An ophthalmologist is a medical doctor (M.D.) who is trained in medical and surgical management of eye diseases and conditions.  An optometrist (O.D.) is a healthcare professional who is also trained in medical management of eye diseases and disorders, and prescribes corrective lenses (glasses or contact lenses).  An optician specializes in ordering and dispensing eye glasses and contact lenses.

Does Kaiser Permanente offer LASIK?

Yes, Kaiser Permanente has highly trained refractive surgeons who provide laser vision correction for members and non-members. There is a fee for this elective procedure.

If my eyes are dilated during my exam, is it safe for me to drive?

Your vision may be affected and your eyes may be light-sensitive when your eyes are dilated. Dilation normally lasts for several hours. After the exam you may be more comfortable wearing sunglasses. If you do not have sunglasses with you, we can give you a dark insert for your glasses before you leave the clinic. If you have had difficulty in the past or you feel uncomfortable about driving after your appointment, you may wish to bring a driver with you.

Does it hurt your eyes to use them too much? Should I worry about prolonged computer or television use or reading in the dark?

No. There is no evidence at this time that doing visually demanding tasks or reading in the dark will damage your eyes. However, if you are experiencing eye strain with visual tasks, please see an optometrist.

I’m over 40 and I’ve noticed I’m having trouble reading small print. What should I do?

It is normal for near (close-up) vision to decline gradually over time, especially after the age of 40. If you are noticing this, please make an appointment with one of our optometrists who will help you decide when and whether reading glasses would be helpful for you.

How can I keep my eyes healthy?

The lifestyle choices that are good for overall health are also good for your eyes. We recommend that you exercise regularly, eat a healthy diet, and get your routine health screenings. If you smoke, quitting is one of the best things you can do for your overall health and the health of your eyes. We also recommend wearing UV blocking sunglasses to protect your eyes.

What can I do when my eyes feel scratchy and gritty?

The most common cause of scratchy, irritated eyes is Dry Eye Syndrome. Dry Eye Syndrome can also cause intermittent blurred vision and sensitivity to light. If you experience dry eyes, you can use over-the-counter artificial tears as needed to ease your symptoms. This is especially important with prolonged reading or computer use, when the eyes are more likely to become dry, due to infrequent blinking.

Is it safe to use eye drops that say they “get the red out”?

Generally, we do not recommend prolonged use of these eye drops, as they can lead to eye irritation and more redness over time

What can I do when allergies make my eyes red, itchy and watery?

There are good over-the-counter Antihistamine drops such as Zaditor (Ketotifen), Zyrtec and others to help with symptoms of seasonal and other allergies. Refrigerated artificial tears and cool compresses can also help.

Is it OK to rub the eyes?

In general we advise that you not rub your eyes, especially after surgery or procedures. Rubbing the eyes can lead to a release of histamine, which can lead to more itching. Please also refer above to other questions and answers if your eyes are dry, itchy, or feel strained.

Is it OK to wear contact lenses throughout the night while sleeping?

You should never sleep in your contacts, even the extended-wear type. This increases your risk of corneal infections or inflammation. The only exceptions are bandage contact lenses that the eye doctor has placed on your eyes for a specific purpose.

What happens if I put in more than the drops my eye doctor told me?

The eye can hold only about a drop of medicine and after this it will overflow as tears. Occasionally putting in an extra drop is not harmful.

What should I do if I am not sure I placed the eye drop in properly?

We advise you to place another eye drop to ensure the drop takes effect.

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