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PREPARATION AND AFTER CARE

Posted by naileye at Wednesday, March 11, 2009

Before eye laser treatment:

1. Preparation & Suitability

You need to have a thorough eye examination to determine whether you are a suitable candidate for the refractive surgery. Prior to that, please make sure that:
1. You are at least 18 years and have had stable vision for the past year
2. You are not pregnant or breastfeeding
3. You have not been diagnosed with:
o Connective Tissue, Autoimmune or Immunodeficiency disease, eg. Rheumatiod Arthritis, Sjogren diseases or Severe dry eye
o Certain eye disease, eg Keratoconus, Cataract, Glaucoma, Diabetic retinopathy or macular disease.
4. You must have healthy eyes — no glaucoma, infection, cataracts, severe dry eye, or any other condition that would affect postoperative healing.
5. Your vision must be stable for at least a year before surgery.

Extreme spectacle powers >-16.00D or +7.00D has to be treated on a case-to-case basis and may not be deemed suitable for Laser Refractive Surgery but other procedure may be appropriate.

Your eyecare practitioner can help you decide, but below are some general guidelines to check out before your doctor visit:

2. Planning for Your Eye Examination Appointment

If you are a contact lens wearer, you need to lay off the lenses first as it may distort the original shape of cornea.
For those who wear Soft / Disposable / Daily Lenses, you need to lay off the lenses 10 to 14 days prior to the eye examination date. If you are wearing Semi Hard (RGP) / Hard / Toric Soft Lenses, it is advisable to lay off as long as 3 to 4 weeks.

Your pupils will be dilated on the eye examination day. So you might have difficulty for near work and sensitive to bright light which may last for 2 to 3 days after the check-up. Please bring along a pair of sunglasses on that day.
You can also come in for a preliminary test without laying off the contact lenses to find out whether you can consider for the treatment or not. We shall let you know how many days you need to lay off your contact lenses prior to the full eye examination date.

Please call your nearest Optimax Eye Specialist Centre to book in your appointment.

After Treatment:

1. Your treating doctor will check on you after the procedure.
2. Please make sure you are not driving on the treating day as you may feel slight irritation after the treatment.
3. Bring along a pair of non-powered sunglasses with you as the eyes will be a bit sensitive to light after treatment.

In the first week after the treatment :

• Remember not to rub or squeeze your eyes
• Avoid getting water, soap or shampoo in your eyes, but you will need to keep the eyelid are clean.
• Avoid going to dusty and smoky places
• Do not wear eye makeup or apply eye cream
• Wear sunglasses when doing outdoor activities.
• Avoid sports activities such as jogging, gym or badminton.
• Put on eye shields provided before bed
• Use the eye drops as advised


In the first month after the treatment,

• Do not swim, use the sauna, SPA or have a facial treatment
• Avoid sports like football, taekwando or basketball.

Attend all check ups as advised


• Do not worry unduly if you experience glare / haloes at night or under dim lights for a few weeks
• With all procedures, your vision will gradually improve and sometimes it might take about 3 to 6 months to stabilize



 

What is Intralasik?

Posted by naileye at

The" Intra" component denotes the use of the Intralase Femtosecond laser and LASIK is an abbreviated term for "Laser Assisted In situ Keratomileusis" With Intralasik, the first step of cutting the flap is accomplished using a highly precise laser, the Intralase Femtosecond Laser.

The Intralase software directs the Intralase laser to optically focus its beam into a tiny, 1 micron (.001mm) spot of energy that passes harmlessly through the outer layers of the cornea until reaching its exact depth within the stroma (central layer of the cornea). In an "inside out" process, the laser beam creates a separation plane by forming an interconnecting series of bubbles made of carbon dioxide and water vapor.

The laser beam stacks a pattern of bubbles along the periphery of the treatment plane, leaving an unseparated section of tissue to act as a hinge. As with a traditional LASIK approach, the surgeon then folds the tissue back to expose the underlying corneal layer to prepare for the excimer laser treatment that will re-shape the cornea. With Intralasik, surgeons can avoid the complications related to surgical blade problems. The Intralase laser precisely delivers the laser energy directly to the outer surface of the cornea, which suffers no trauma. A higher degree of accuracy in both the depth and size of the corneal flap is now possible with Intralase.
There are a number of valuable benefits that this form of surgery provides.

1) Safety

This is the most valuable advantage of Intralasik and the main reason why Optimax invested in this expensive technology. With the accuracy and safety checks offered by Intralase, major complications do not occur.

2) Precision

Flap measurements are highly accurate.This provides the surgeon with confidence to :

a) Treat patients previously rejected because of thin corneas.
b) Avoid the risk of ectasia - a complication that can occur from an unexpectedly thick flap. In ectasia the cornea is thinned beyond the margin of safety resulting in instability.
c) No induced changes in refraction which can occur with irregularly thick flaps from LASIK affecting visual outcome.

3) Outcomes

By being able to cut the initial flap in such a controlled fashion, we are able to closely predict our results. In creating such precise and uniform flaps we avoid surprises of new astigmatism and aberrations.

Technology

Intralase FS60 for flap creation on IntraLasik, Custom IntraLasik and
PAC IntraLasik.

The VASTLY IMPROVED 4th GENERATION INTRALASE called the IntraLase-FS60 (femtosecond) has been introduced at Optimax ,
Malaysia to create BLADE-FREE LASIK flaps.( The conventional alternative, is when the LASIK flap was created using a microkeratome with a blade.)

4th GENERATION INTRALASE-FS60 HAS VAST IMPROVEMENTS FROM LESSONS LEARNT FROM THE 1ST GENERATION INTRALASE:

• Twice as fast procedure time (usually less than 20 seconds).
• Enhanced patient comfort and safety during the procedure.
• Improved flap quality creation software.
• Smoother corneal surfaces than before, for better results.
• Administers less energy to the cornea for greater safety.


THINNER FLAPS CAN BE CREATED TO SAVE CORNEAL TISSUE!

Of course the biggest benefit of 4th Generation IntraLase-FS60 is the increased SAFETY and PRECISION from its older version of ALL-LASER BLADE-FREE procedure.

How does IntraLase-FS60 Laser Work?

• Pulsing at a speed of one-quadrillionth of a second, the laser uses an infrared beam of light to prepare the flap.
• The Intralase has pulses that are focused within the tissue to create an incision below the surface of the corneal tissue.
• A series of closely-spaced bubbles of 2-3 micron in diameter each, is created, which are absorbed into the tissue and leave a cavity in the stroma. (Hence the tissue above created is the flap used for Lasik)
• The process takes under 15 seconds, on average ( twice faster than the older version).
• The surgeon then lifts the flap to proceed with the Excimer Laser sculpting.
• The surgeon can precisely control laser specifications for flap diameter, depth, and edge angle.


In short there is no longer any worry about irregular or non-perfect flaps for Lasik!



 

What is Short-sightedness?

Posted by naileye at


Normal Eye Myopic Eye

Shortsightedness occurs when the eyeball is too long or the corneal curvature is too steep. This causes light rays to focus at a point in front of the retina, rather than directly on its surface. Shortsighted people have difficulty reading objects at a distance, but can see for up-close tasks. Shortsightedness runs in families and usually appears in childhood. This vision problem may stabilize at a certain stage, although sometimes it worsens with age.

Signs and symptoms

People who are shortsighted often complain of headaches, eyestrain, squinting and fatigue when driving, playing sports, or looking at distant.


Treatment

Shortsightedness may be corrected with glasses, contact lenses or refractive surgery. Depending on your vision problem, you may need to wear your glasses or contact lenses all the time, or only when you need distance vision, like driving, seeing a chalkboard or watching a movie.



 

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