Microsoft word - general candidacy considerations.doc
General Candidacy Considerations
Our surgeons are available for questions regarding specific patients.
Contraindicated Medications:
• Herpes Simplex - May consider if no outbreak in 3
Patients must be off of these meds for 1 month before the
previous years and no corneal scarring, but will need to
pre-operative exam, and continue to stay off of them for 1
start course of antiviral meds 1 week prior and continue
1 week after surgery. Patient must have adequate
• Ankylosing Spondylitis - May be OK if eye has been
• Pregnant/Nursing - No, if pregnant. Patient should be
post-partum and done with nursing for 6 weeks prior to
LASIK and PRK Limits:
Varies with pachymetry. Close scrutiny over 10 diopters.
Pre-Operative Examination Protocol:
• Complete dilated exam at least 48 hours prior to
• Cycloplegic exam with tropicamide 1% or cyclogyl 1%
New lasers can treat increasingly significant degrees of
and refraction 30 minutes after dilation.
astigmatism and hyperopia. The diagnostics at our
• FDA allows 0.50D change per year in Rx. Document
surgical centers are often necessary to make that final
age of Rx and patient's perception of length of Rx
stability (old refraction > 2 yrs ideal). Confirm stability
• Wavefront patients must have a clear optical media:
in younger patients or higher Rx. Old records are
Any patient with cataract, corneal scar, lenticular
opacity, or vitreous opacity is a poor Wavefront
• Clinically significant dry-eye or blepharitis treated prior
• Post-operative keratometry values: Between 33-50 (for
every 1.00D of myopic correction there is
approximately 0.80D of corneal flattening and for every
Contacts:
1.00D of hyperopic correction there is 1.00D of corneal
Soft or Toric contact lenses may not be worn for one (1)
week prior to the pre-operative examination and two (2)
• Amblyopia: BCVA must be 20/40 or better in
Gas Permeable or PMMA (poly methyl methacrolate, i.e.,
• Pupil size: Qualifying patients with larger than average
hard contacts) lenses may not be worn for four (4)
pupil size should be counseled to have Wavefront since
consecutive weeks prior to the pre-operative examination
this technology has been proven to cause less glare/halo
and improve nighttime vision. Wavefront requires a
These contact removal guidelines are minimum
Previous Eye Surgery:
requirements to achieve the best correction possible. In
Radial Keratotomy: -3.00D of myopia, +3.00D
some instances, the removal period prior to examination
hyperopia, (with) 2.00D of astigmatism - PRK only
with MMC. Less then 8 incisions used in initial RK
Other Information:
CE with PCIOL: OK if sclera and cornea clear, and
• Microstriae: Sometimes seen after high corrections -
• Microfolds: Should consult with surgeon for a lift and
Glaucoma Surgery: OK if only a glaucoma suspect. If
re-float if folds appear to be affecting vision. You may
any VF loss, patient needs clearance from the
notice that they induce some astigmatism that may
physician who is following patient's glaucoma.
Medical Conditions:
• DLK: Should consult surgeon for a possible flap lift
Generally, no surgeries for patients with the following
and rinsing if inflammation is dense and clumping
conditions, but as always, consult with the surgeon.
(Grade 3 or 4). May start PF 1% q 2° if Grade 1 or 2,
• Active Rheumatoid Arthritis - If requiring medication
under the supervision of a rheumatologist.
• Retreats: The vision we will consider for an
enhancement must be worse than 20/40. Patients must
• Controlled diabetes - Any retinal damage must get
have a stable prescription, wait at least 3 months after
primary myopic LASIK and 6 months for hyperopic
• Herpes Zoster Ophthalmicus - No. HIV +, Hepatitis B,
LASIK or PRK. All enhancements must be approved
Clin Rheumatol (2008) 27:739–742DOI 10.1007/s10067-007-0782-zRheumatoid arthritis in the United Arab EmiratesHumeira Badsha & Kok Ooi Kong & Paul P. TakReceived: 12 September 2007 / Revised: 10 October 2007 / Accepted: 14 October 2007 / Published online: 1 November 2007Abstract Studies have shown that patients with rheuma-were not on DMARD, only 28.1% had disease duration lesstoid
Ototoxicity Ahmad M Alamadi FRCS (Glasg), John A Rutka FRCS(C) Ototoxicity can be defined as the tendency of certain substances, either systemic or topical, to cause functional impairment and cellular damage to the tissues of the inner ear and especially to the end organs of the cochlear and vestibular divisions of the eighth cranial nerve 1 . Major systemic ototoxic substances include;