Eyes Articles A-Z

Diagnosing Cataracts

Diagnosing cataracts involves an examination of the eye and tests (such as a dilated eye exam). This eMedTV article discusses the process used to make a cataract diagnosis, including information about tests used to identify cataracts.

Does Vitamin A Work?

People taking vitamin A for uses other than a deficiency may wonder if vitamin A works. This page from the eMedTV archives explores the effectiveness of vitamin A supplementation for conditions other than nutritional deficiencies.

Drug Interactions With Bimatoprost

Other eye drops can cause potentially dangerous drug interactions with bimatoprost. This article from the eMedTV library lists some of the types of eye drops that may interact with bimatoprost and describes the potential effects of these interactions.

Drug Interactions With Ketotifen

Significant ketotifen drug interactions are not likely to occur. As this eMedTV page explains, this is because very little ketotifen actually reaches the bloodstream (as it is an eye drop), making it unlikely to interact with other medications.

Drug Interactions With Latanoprost

Bimatoprost, NSAID eye drops, and any other eye drops may cause drug interactions with latanoprost. As this eMedTV Web page explains, these interactions could reduce the effectiveness of latanoprost or cause other problems.

Drug Interactions With Levobunolol

This eMedTV page lists several medications (such as digoxin and methacholine) that can lead to drug interactions with levobunolol. This article also takes a look at some of the complications these interactions can cause.

Drug Interactions With Metipranolol

Digoxin, methacholine, and other medications may cause metipranolol drug interactions. This eMedTV article lists other drugs that may interfere with metipranolol and describes the problems that may occur if these medicines are taken together.

Drug Interactions With Pegaptanib

Since pegaptanib is injected into the eye, very little of the drug reaches the bloodstream. As this eMedTV page explains, drug interactions with pegaptanib are unlikely because the rest of the body is exposed to very low amounts of the medication.

Drug Interactions With Ranibizumab

Since the body is exposed to low ranibizumab levels, other medicines shouldn't interact with it. As this eMedTV page explains, drug interactions with ranibizumab are unlikely because it is injected into the eye and won't fully enter the bloodstream.

Drug Interactions With Timolol

Digoxin, calcium channel blockers, and epinephrine are some drugs that can react negatively with timolol. This eMedTV page lists other medicines that may cause potentially dangerous drug interactions with timolol and describes the problems that can occur.

Drug Interactions With Travoprost

Other eyedrops can cause potentially dangerous drug interactions with travoprost. As this eMedTV segment explains, to prevent any interaction, you must wait at least five minutes after taking your travoprost dose before using any other eyedrops.

Dry Eye Relief

The information presented in this eMedTV article includes suggestions for dry eye relief in both mild and severe cases. Suggestions range from avoiding sources of irritation to artificial tears and eye ointment to surgery.

Dry Eyes After LASIK

This portion of the eMedTV Web site explains how common it is to experience LASIK-related dry eye. This article also discusses who is more likely to be affected, how long dry eyes are expected to last, and various treatment options.

Epithelial Complications After LASIK Eye Surgery

Epithelial complications after LASIK eye surgery, while rare, won't affect the final outcome. However, as this eMedTV page explains, they may lead to a delayed condition called epithelial ingrowth, which is either left alone or removed surgically.

Expected Results With LASIK

Improved eyesight with 20/40, 20/20, or 20/25 vision are the expected results with LASIK. This eMedTV page further discusses what you can expect with this procedure, including potential vision quality problems and the need for enhancement surgery.

Expected Results With the LASIK Procedure

This video clip discusses what kind of results to expect following your LASIK procedure.

Expected Results With the PRK Procedure

Certain results can be expected with this procedure. This video segment describes what these are.

Eye Exam Recommendations

Eye exam recommendations provide guidelines on how often exams should take place. This part of the eMedTV library includes a chart that offers general recommendations (based on age and symptoms) on how often you should see your eye care professional.

Eyes

This video clip discusses the parts of the eye involved with sight.

Eyesight Correction

This clip explains why people may need corrective lenses or surgery to correct their vision.

Eyesight Correction (PRK)

This clip explains why people may need corrective lenses or surgery to correct their vision.

Farsightedness

This video segment explains farsightedness, or presbyopia, including what causes it.

Final Thoughts -- LASIK Complications

This video clip gives some final thoughts regarding possible complications with LASIK.

Flap Complications After LASIK Eye Surgery

Flap complications after LASIK eye surgery range from an irregular or incomplete flap to a "free cap." This eMedTV resource describes these and other flap complications and explains how they are treated and how they affect the outcome of surgery.

Generic Betoptic

Regular Betoptic (betaxolol) is available in generic form, but generic Betoptic S is not available yet. This eMedTV resource explains why only one form of Betoptic is available as a generic and offers manufacturer information for the generic product.

Generic Ocupress

Ocupress (carteolol) eye drops are currently available in generic form. This article from the eMedTV archives describes the strengths available for generic Ocupress and explains whether these products are equivalent to the brand-name medication.

Generic Voltaren Ophthalmic

Generic forms of Voltaren Ophthalmic (diclofenac eye drops) are equivalent to the brand name version. This eMedTV page explains how the FDA has determined that these drugs are as effective as the brand-name drug and provides a list of manufacturers.

Getting Started (Cataract Sugery)

This video explains what you need to do to prepare for your procedure.

Glare and Halos After LASIK

It is not uncommon to experience glare and halos after LASIK eye surgery. As this eMedTV article explains, most patients experience glare or halos at night for the first few weeks to months after surgery, but these symptoms tend to improve over time.

How Safe Is Cataract Surgery?

This clip discusses the general safety of cataract surgery and lists possible complications.

How Safe Is the LASIK Procedure?

This video takes a look at the safety of the LASIK procedure.

How Safe Is the PRK Procedure?

This multimedia clip discusses the safety and level of risk associated with this procedure.

Human Eye

The cornea, iris, pupil, lens, and retina are some of the structures found inside the eye. This video clip describes these structures in greater detail.

In the Operating Room (Cataract Sugery)

This video clips shows what you can expect upon entering an operating room.

Infection Following LASIK Eye Surgery

With many medical procedures, there is a risk of developing an infection. Following LASIK eye surgery, as this eMedTV article explains, patients are given antibiotics to help prevent infections, so the chances are less than 1 in 1,000 patients.

Inflammation of the Eye Following LASIK

Some patients have experienced inflammation of the eye following LASIK eye surgery. This page of the eMedTV Web site discusses the likelihood of developing eye inflammation, the potential complications it can cause, and treatment options available.

Information on Cataracts

Inside the Eye

The cornea, iris, pupil, lens, and retina are some of the structures found inside the eye. This video clip describes these structures in greater detail.

Ketotifen

Ketotifen is an over-the-counter eye drop approved to relieve eye itching due to eye allergies. This eMedTV resource describes how the medication works, offers dosing information, and explains what side effects may occur with this product.

Ketotifen and Breastfeeding

As this eMedTV article explains, ketotifen has not been studied in nursing women, so it is unknown if it passes through breast milk. This resource takes a closer look at ketotifen and breastfeeding, including tips on what to watch for in a nursing child.

Ketotifen and Pregnancy

It is unclear if ketotifen is safe for women who are expecting. This part of the eMedTV Web site discusses pregnancy and ketotifen in detail, including information on how the drug performed in clinical studies.

Ketotifen Dosage

There is only one standard recommended dosage of ketotifen for the treatment of eye allergy symptoms. As this eMedTV page explains, the usual dose is one drop in each affected eye twice a day (every 8 to 12 hours, but no more than twice daily).

Ketotifen Eye Drops

This eMedTV Web presentation discusses the allergies eye drops ketotifen. Information includes its dosing, side effects, warnings, precautions, and possible drug interactions.

Ketotifen Overdose

As this eMedTV page explains, taking a ketotifen overdose will probably not result in any problems, even when the overdose is taken by mouth. This selection also talks about treatment for this type of overdose, explaining why it likely wouldn't be needed.

LASEK

LASIK, a common laser eye surgery, corrects vision by reshaping the cornea of your eye. This eMedTV segment discusses how the procedure is performed, possible complications involved, and the expected results. LASEK is a common misspelling of LASIK.

LASEK Laser Eye Surgery

LASIK eye surgery is a common procedure used to improve vision by reshaping the cornea of the eye. This eMedTV page offers a brief overview of the preparation and surgical process. LASEK laser eye surgery is more commonly known as LASIK eye surgery.

LASIK

LASIK is a laser eye surgery that can permanently reshape the cornea of your eye to correct your vision. This eMedTV page discusses various eye conditions that the surgery can fix and offers details on the expected results and possible complications.

LASIK

This video clip provides an overview of the LASIK procedure.

LASIK - Presentation Summary

This video summarizes the purpose of LASIK and what is involved in the procedure.

LASIK Alternatives

As explained in this eMedTV article, there are many vision correction surgeries aside from LASIK. Alternatives may include photorefractive, radial, or astigmatic keratectomy. Another alternative to surgery is to continue using glasses or contacts.

LASIK Alternatives -- Intracorneal Rings

This video explains how intracorneal rings can correct low levels of nearsightedness or myopia.

LASIK Alternatives -- Phakic Intraocular Lenses

This video describes phakic intraocular lenses and explains who can benefit from them.

LASIK Alternatives -- PRK

This multimedia clip discusses the benefits and potential risks of PRK.

LASIK Alternatives -- Refractive Lensectomy

This clip describes refractive lensectomy and the possible complications of the procedure.

LASIK Alternatives -- RK and AK

This clip explains what RK and AK are and discusses the effectiveness of these procedures.

LASIK Complications

As this eMedTV page explains, while it is generally a safe procedure, there are possible problems that may occur with LASIK. Complications may include inflammation, severe infection, severe bleeding, and flap complications.

LASIK Complications -- Major

This multimedia clip introduces major complications with LASIK.

LASIK Complications -- Minor

This interactive video discusses possible minor complications with LASIK.

LASIK Eye Surgery

In LASIK eye surgery, a laser technique is used to reshape the cornea of your eye to help correct vision. This eMedTV article explains the steps involved in this surgery, the intended goals, and expected results of the procedure.

LASIK Risks -- Decentration

This video clip explains what can happen if the laser is not properly lined up during LASIK.

LASIK Risks -- Dry Eyes

This interactive video explains that dry eyes may occur after a LASIK procedure.

LASIK Risks -- Epithelial Complications

This multimedia clip describes complications that can occur with the epithelium.

LASIK Risks -- Flap Complications

This video describes the complications that can occur when a flap is created.

LASIK Risks -- Glare and Halos

This interactive segment discusses glare, halos, and other possible complications of this procedure.

LASIK Risks -- Infections

This video explains what may happen if you develop an infection after your procedure.

LASIK Risks -- Inflammation

This video clip discusses what to do if inflammation occurs after LASIK.

LASIK Risks -- Mechanical Failure

This video explains what happens when mechanical failure occurs.

LASIK Risks -- Perforated Cornea

This video explains that a perforated cornea is a rare complication of LASIK.

LASIK Risks -- Retinal Detachment

This video explains that retinal detachment is a rare, major complication of LASIK.

LASIK Risks -- Shifted, Dislodged and Wrinkled Flaps

This video describes complications, such as shifted, dislodged, and wrinkled flaps.

LASIK Risks -- Subretinal Hemorrhage

This video describes the complications of a subretinal hemorrhage.

LASIK Risks -- Undercorrection or Overcorrection

This video clip discusses the possibility of undercorrection or overcorrection occurring with this procedure.

LASIK Surgery Recovery

When recovering from LASIK surgery, which usually takes 24 to 48 hours, you must frequently apply eyedrops. This eMedTV segment describes symptoms you may experience and offers tips on the healing process and preventing infections.

LASIK Vision Correction

Latanoprost

Latanoprost is an eye drop approved to reduce eye pressure in people with glaucoma or high eye pressure. This eMedTV segment describes how this medicine works, explains when and how to use it, and lists possible side effects to be aware of.

Latanoprost Dosage

The standard latanoprost dosage is one drop into the affected eye(s) once a day in the evening. This eMedTV article offers other latanoprost dosing information and includes a list of tips and precautions for using the eye drop.

Latanoprost Eye Drops

On this eMedTV Web page, latanoprost eye drops are discussed. Information includes its uses, drug interactions, warnings, dosing, and side effects.

Leaving the Laser Suite (LASIK)

This video provides some instructions for what to do after your LASIK procedure.

Leaving the Laser Suite (PRK)

This interactive video explains what you can expect upon leaving the laser suite after your surgery.

Levobunolol

Levobunolol is a prescription eye drop approved to treat high eye pressure or chronic open angle glaucoma. This eMedTV resource describes how the medication works, offers dosing information, and explains what side effects may occur with this product.

Levobunolol Dosage

The typical starting dosage of levobunolol is one to two drops in the affected eye once or twice daily. This eMedTV page further discusses dosing guidelines for high eye pressure and open angle glaucoma, including tips for taking this eye drop.

Levobunolol Drug Information

On this eMedTV Web page, the glaucoma drug levobunolol is discussed. Information includes its dosing, side effects, warnings, and possible drug interactions.

Low Vision From Cataracts

People with low vision from cataracts may benefit from low vision aids, services, counseling, and training. This eMedTV article provides information about the types of organizations that may provide such services for people with vision problems.