Latest Vision Articles

1. Dry eye causes and treatments

Dry eye is very common among people at all ages, resulted from chronic lack of sufficient lubrication and moisture in the eye. Dry eye syndrome has various symptoms such as persistent dryness, foreign body sensation, scratching and burning eyes, which may lead to subtle but constant irritation or ocular inflammation of the front eye tissue. To diagnose dry eye syndrome, your doctor may use a Schirmer test to measure the amount of tears.

2. Few cataract complications and their treatments

A posterior capsule opacity (PCO) is the most common among those few cataract surgery complications, including eye inflammation, infections and a dislocated IOL. The reason for a PCO comes from the lens capsule, which will be maintained during a surgery.

3. The selection of cataract surgeons

Most cataract surgeons can deal with common types of cataracts, such as removing clouded lens and replacing a standard IOL. What the patient should pay attention to are the types of IOLs and their costs.

4. Convenient and healthy disposable contact lenses

Disposable contact lenses are worn for a certain period and replaced by a new pair, so that they are more convenient and healthy. For replacement interval, contact lenses can be divided into some types: disposable lenses replaced within two weeks, frequent replacement lenses replaced monthly or quarterly and traditional lenses replaced every six months or longer. Currently, disposable lenses including the first two types have been the most popular.

5. Approved and investigational accommodation IOLs

As we know, some people above 40 can not see clearly at multiple distances, which is caused by the lens’ natural aging and becoming rigid to move smoothly. Among all of the IOLs, accommodation IOL such as the Crystalens has a special design to treat the described presbyopia. An accommodation IOL provides sharp vision by shifting its position with the action of eye muscle and movement, rather than by simply replacing the natural lens. Accommodation IOLs belong to presbyopia-correcting IOLs, so that patients can get multiple distance vision from them.

6. Cataract surgery preparation and outcome

Early signs of cataracts such as declining visual clarity may be ok. You are still able to drive, watch television and so on. But if your daily lives are severely affected by advanced cataracts that can not be corrected by eyeglasses or contacts, it is the right time to receive a cataract surgery.

7. Nystagmus types and treatments

People with nystagmus have difficulty in focusing their eyes on an object or person. Their eyes always look involuntarily from side to side, up and down or sometimes jerk. Nystagmus is estimated to affect one out of several thousand children, usually from an early age.

8. Traditional and new intraocular lenses

Artificial intraocular lenses (IOL) was firstly approved by FDA in 1981, before which patients had to wear thick eyeglasses or particular contact lenses in order to offset the focus distortion brought by cataracts removal. But now, most surgeons are concerning about the surgical technique and lenses design of the various IOLs, such as premium IOL, toric IOL and so on.

9. Causes and treatments for photophobia

Also named light sensitivity, photophobia is a common eye problem that makes the patient uncomfortable with bright light such as sunlight, fluorescent light and incandescent light. People with photophobia need to squint or close their eyes encountered bright lights. In serious conditions, headache can be caused.

10. Ortho-k contact lenses for cornea reshaping

It is exciting that the technology named orthokeratology applied to your contact lenses can reshape your cornea at night and offer a clearer vision even without contacts at daytime. Although the magic effect lasts about only one day, it is great for many people.