Alcon AquaComfort Plus handleiding

Handleiding

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The following procedures should be followed when fitting DAILIES

®

lenses. For additional tips on tting the monovision patient, refer to the

section Monovision Fitting Guidelines at the end of this guide.

2. Pre-Fitting Examination

A pre-tting examination is necessary to:

• assessthepatient’smotivation,physicalstateandwillingnessto

comply with instructions regarding hygiene and wear schedule

 • makeocularmeasurementsforinitialcontactlensparameter

selection

 • collectbaselineclinicalinformationtowhichpost-ttingexamination

results can be compared

The pre-tting examination should include:

 • athoroughcasehistory

 • aspherocylindricalrefraction

 • keratometry

 • tearlmassessment

 • biomicroscopy

3. Trial Lens Evaluation

DAILIES

®

(nellcon A) One-Day Contact Lenses are available in a single

base curve/diameter combination of 8.6/13.8 mm for FOCUS

®

DAILIES

®

contact lenses and 8.7/14.0 mm for DAILIES

®

AquaComfort Plus

®

contact

lenses. Following initial power selection, a trial lens should be placed on the

eye for assessment of lens t and comfort, and nal power verication.

A. Initial Lens Power Selection

Select an initial lens power as close as possible to the patient’s

spherical equivalent refraction.

The spherical equivalent refraction is determined as follows:

Spherical Equivalent = Sphere power + Cylinder Power/2

Example: Spectacle Rx: -3.00D -1.00 x 180

Spherical Equivalent: -3.00D + -0.50D = -3.50D

Remember: If the spherical equivalent is greater than ± 4.00D, a vertex

distance correction is necessary to determine the correct lens power at the

corneal plane.

B. Lens Fit Assessment

DAILIES

®

(nellcon A) One-Day Contact Lenses should be comfortable

immediately upon placement on the eye. Care should be taken to ensure

the lens is free of foreign particles such as lint, and is not inverted prior to

placement on the eye. Reex tearing due to an uncomfortable lens may

cause the lens to stop moving and give the appearance of a tight t.

Allow the lenses to settle on the eyes for approximately 5 to 10 minutes.

This allows time for the patient to adapt to the lenses and time for the lens

to equilibrate.

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Bekijk gratis de handleiding van Alcon AquaComfort Plus, stel vragen en lees de antwoorden op veelvoorkomende problemen, of gebruik onze assistent om sneller informatie in de handleiding te vinden of uitleg te krijgen over specifieke functies.

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