Dr. Phuong To, OD

Can sodium chloride be used as an eyewash?

Of course yes, it can be used as eyewash. Minims saline is single-use eye drops containing sodium chloride 0.9%. This is a solution of salt in water at the same concentration as is found normally in the body. This kind of eye drops have no physiological effect, they are simply used to wash out irritants, harmful substances or superficial foreign bodies from the eye. If there is any solution left in the minim after use it should be discarded and not kept for future use, as it is likely to become contaminated with dirt or germs. Like other eye drops, your vision may be blurred after dropping the drops in. It has another function that is useful with hard and soft contact lenses.

How long can you store contact lenses if the package were not open or even wear it?

Generally the guarantee period for contacts which have not been opened is 3 years , but it can vary from different manufactures .If your prescription keeps the same during the period ,you can still wear them . But if you wear monthly or yearly disposable contacts , no matter how many times you wear , you should abandon them when it reaches their scheduled date .

Does astigmatism cause eye twitching?

Well, in my opinion, astigmatism cannot cause eye twitching, so you do not need to worry about it too much. First, according to some experts, astigmatism is a kind of visual condition which is related to its shape. And then, because of it, it can result in an eye that has two different powers. In that condition, blurry vision can occur, and it can be the most common symptom of astigmatism. For other symptoms, you should know that shadow images, eye muscle spasms, eyestrain, and headaches can be possible too. For the treatments, you can wear contact lenses to correct it. So you can have a try.

Do square glasses look good on round faces?

Yes, people should choose the right frame which can match your face shape. In your situation, I think you should not wear the square frame for your round faces. Maybe you can try the round frame which can make your face look thinner and not so big. As we know that if you don’t choose a right frame, you will not look attractive. Also, the colors of the frame play an important role in the image of your face. So next time when you go to the store to choose a pair of glasses, you’d better pay much attention to the two factors. And you also can get some essential information from the professional person.

Are there eye exercises for ptosis?

You can try patch exercise. You can cover up the healthy eye with an eye patch or gauze then only use the affected eye as your only source of vision. This can help improve focus and movement of the eyelid muscle by forcing the affected eye to perform double the amount of work for proper vision. But you must perform this eye exercise in a safe environment to avoid possible dangers. You can consult your eye doctor for how many times and how long you can perform this in a day. He or she will decide all these by the condition of your eyes.

Why do yellow tinted sunglasses make things brighter?

Yellow tinted sunglasses really can make objects brighter in that yellow or golden tinted lenses can prevent blue light, while more light in other frequencies can penetrate through yellow tinted lenses. The yellow can eliminate the blue portion of the spectrum, such that all objects appear to be bright and clear. Especially in foggy environment or at dusk, yellow tinted lenses can improve contrast ratio and provide a more accurate image. However, yellow tinted sunglasses will make the color perception a little distortion, therefore this kind of color tinted sunglasses are not suitable for those who need to accurately identify the color of the objects.

At what age is recommended for children to wear sunglasses?

It is never too early to buy a pair of sunglasses for your children. But I still suggest you to buy a pair of sunglasses for your children when he or she is 3 years old. Because he or she can understand your words and follow your suggestions so they won't broke the sunglasses by accident anymore. Before that age, you can buy a brim hat for them to help protect their eyes from the sun.

Can drinking red bull make you blind?

Well, actually, by drinking red dull, it can lead to a lot of problems, not just to eyes. First, you should know that if you drink too much of these drinks, it can loosen your eye sockets. And then, your eyelashes can fall out. According to some researches, it has a chemical which will attack the tissue of the eye sockets which are very thin. In that way, it can just lead to eyelash falling out. On the other hand, it can also lead to some other problems, such as lack of sleep, weight loss, stomach problems. Anyway, do not drink too much.

How much do prada purple glasses frames usually cost?

I don't know, I never buy prada eyeglasses frames, they are too expensive. But i sister told me last week that she find a good site to buy brands eyeglasses. Framesdirect.com where provide brands eyeglasses frames in low prices. I just search prada purple glasses frames at Framesdirect.com for you. They sell it at $163.30. It is cheaper than in prada shop. You can have a look.

How to remove the annoying reflections from edge of glasses?

Well, it may be because the edge of the lenses is not polished very well. If it is still in guarantee, you may return it for replacement. Or you can add anti-glare coating and it may reduce the amount of reflections.