Do you have blurred vision and moderate eye pain?

Do you have eye pain and halos of light around objects?

Do you have a sudden shower of floaters?

Have you had painless vision changes that went away on their own within 30 minutes and were followed by a headache?

Do you have new blurred vision?

Do you have new flashes of light but no vision loss?

Do you have new halos of light around objects without other symptoms?

Have you noticed that one eyeball is bigger or sticks out more than the other eye, and you have a change in vision or redness in the eye?

Are floaters becoming bothersome or increasing in number or frequency?

Have flashes of light or vision changes that are typical of your diagnosed migraine headaches changed or become more bothersome?

Have you had a gradual vision loss over several weeks to months that is now affecting your ability to function?

If you have answered "No" to the above questions, go back to Check Your Symptoms and continue to answer the questions to evaluate your symptoms.

Do you have severe pain in your eye?

Do you have moderate pain in your eye?

Do you still have eye pain 2 to 3 hours after removing your contact lenses?

Do you have mild pain in the eye that is not getting better after 24 hours of home treatment?

If you have answered "No" to the above questions, go back to Check Your Symptoms and continue to answer the questions to evaluate your symptoms.

Do you have sensitivity to light with a fever, stiff neck, or vomiting?

Have you had a sudden onset of new and painful sensitivity to light (photophobia)?

Do you have new mild or moderate sensitivity to light?

Is your chronic sensitivity to light getting worse?

If you have answered "No" to the above questions, go back to Check Your Symptoms and continue to answer the questions to evaluate your symptoms.

Do you have blood over the colored part (iris) of your eye?

Do you have blood in the white part of your eye with any other symptoms? Other symptoms may include:Eye pain.Sensitivity to light (photophobia).Decreased vision in all or part of the vision field.Blurred vision.Double vision.Floaters, flashes of light, or "curtains" in the vision field.

Do you have blood in more than one-fourth of the white of the eye without other symptoms?

Is your eye swollen because of bleeding?

Do you have blood in less than one-fourth of the white of the eye that has not cleared after 5 days or recurs often?

Has the white part of both eyes turned yellow (jaundice)?

If you have answered "No" to the above questions, go back to Check Your Symptoms and continue to answer the questions to evaluate your symptoms.

Do you suddenly have double vision (diplopia)?

Do you have double vision that came on gradually with any one of the following symptoms?PainFeverHeadacheVomitingDizziness that keeps you from standing or walkingChange in your mental state

Have you had a slow, steady increase in double vision (diplopia), but you do not have other symptoms?

Do you have double vision that comes and goes but seems to be getting worse?

Does your baby age 3 months or younger have eyes that do not move together or that appear to "cross" several times a day?

Does your child older than 3 months have eyes that do not move together or that appear to "cross," but does not have other symptoms?

If you have answered "No" to the above questions, go back to Check Your Symptoms and continue to answer the questions to evaluate your symptoms.

Do you have swollen, red eyelids and a fever?

Does your baby age 3 months or younger have new drainage from his or her eyes?

Is the white part of your eye swollen?

Do you have a large amount of thick yellow drainage that continues to form after cleaning your eye?

Do you have swollen, red eyelids that stay swollen after cleaning away eye drainage?

Do you have white, yellow, or tan drainage from the eye that looks like pus and has gotten worse or not improved after 24 hours of home treatment?

Are watery eyes from allergies interfering with work, school, or other activities?

Have you had a small amount of eye drainage off and on for longer than 2 weeks?

If you have answered "No" to the above questions, go back to Check Your Symptoms and continue to answer the questions to evaluate your symptoms.

Do you have a sore, ulcer, or grayish white spot on your eyeball?

If you have answered "No" to the above questions, go back to Check Your Symptoms and continue to answer the questions to evaluate your symptoms.

Do you have a change in the size or shape of your pupil?

If you have answered "No" to the above questions, go back to Check Your Symptoms and continue to answer the questions to evaluate your symptoms.

Do you have redness, swelling, itching, and a lump on an eyelid?

Do you have any change in eyelid size or position?

Have you had constant eyelid twitching for 24 hours?

Have you had redness, itching, and scaly skin (blepharitis) at the edges of your eyelids for 48 hours or longer?

Do you have eyelid twitching that comes and goes and has lasted longer than a week?

If you have answered "No" to the above questions, go back to Check Your Symptoms and continue to answer the questions to evaluate your symptoms.

Do you feel like you have something in your eyes?

Do you have eye pain?

Do you have swelling or redness below the inner edge of the eye?

Does your baby have excess tearing?

Does tearing from allergies interfere with work, school, or other activities?

If you have answered "No" to the above questions, go back to Check Your Symptoms and continue to answer the questions to evaluate your symptoms.

Do you have an eye problem that does not get better when you remove your contact lenses?

Do your eye symptoms continue or become worse after you remove your contacts? Symptoms may include:Eye pain.Tearing.A feeling that something is in your eye.Drainage.Redness.Sensitivity to light (photophobia).

If you have answered "No" to the above questions, go back to Check Your Symptoms and continue to answer the questions to evaluate your symptoms.

Do you think that a medicine is causing your vision changes?Note: If your answer is yes :Call the doctor who prescribed the medicine before taking your next dose to determine whether you should stop taking the medicine or take a different one. An appointment may not be necessary.If you are taking a nonprescription medicine (not prescribed by a doctor), stop taking the medicine. If you feel that you need to continue taking the medicine, call your doctor to discuss it.

If you have answered "No" to the above questions, go back to Check Your Symptoms and continue to answer the questions to evaluate your symptoms.

Do you have any long-term (chronic) changes in your vision?

Are your eye problems getting worse?

If you have answered "No" to the above questions, go back to Check Your Symptoms and continue to answer the questions to evaluate your symptoms.

Call your health professional immediately.

You have answered "Yes" to a question that indicates you may need immediate care. Call your health professional now to discuss your symptoms and arrange for your care.

• Symptoms are likely to worsen without medical care.
• If you do not have a health professional, seek emergency care.
• Emergency transportation is not needed. However, if you are not able to travel safely either by driving yourself or having someone else drive you, call an ambulance.

You do not need to answer any of the other questions.

Call your health professional today.

You have answered "Yes" to a question that indicates you need to call your health professional to discuss your symptoms and arrange for care.

• An appointment today is usually needed.
• Symptoms are unlikely to improve without medical care.

Return to the Check Your Symptoms section and answer the questions. You may need to see a health professional sooner if you have other more serious symptoms.

You may wait to see if the symptoms improve over the next 24 hours.

You have answered "Yes" to a question that indicates you may wait to see if your symptoms improve over the next 24 hours (or the specified time period). If symptoms improve, no appointment is needed.

• If symptoms do not improve after 24 hours (or the specified time period), an appointment within the next 24 hours is usually needed.
• If appropriate, try home treatment to relieve your symptoms.
• Check your symptoms in 24 hours, or sooner if there is any change.
• Call your health professional if symptoms get worse.

Return to the Check Your Symptoms section and answer the questions. You may need to see a health professional sooner if you have other more serious symptoms.