• HOLLADAY, JT: International intraocular lens implant registry 2003. J Cataract Refract Surg (2003)
29:176-197
• HAIGIS W: Relations between optimized IOL constants. Symposium on Cataract, IOL and
Refractive Surgery of the American Society of Cataract and Refractive Surgery (ASCRS),
Philadelphia, PA, USA, June 1-5, 2002, Abstracts, p.112, 2002
Intraocular lens power calculation AFTER corneal refractive surgery:
• Camellin-Calossi: M. Camellin, MD; A. Calossi, Optom “A new formula for intraocular lens power
calculation after refractive Corneal Surgery”, Journal of Refractive Surgery, vol. 22 Feb. 2006.
This formula is for use in patients who have had prior refractive surgery. Each such patient is
unique and results may vary widely. You should interpret all IOL power recommendations with
caution.
• Shammas No-history: SHAMMAS H.J., SHAMMAS M.C: “No-history method of intraocular lens
power calculation for cataract surgery after myopic laser in situ keratomileusis”, J Cataract
Refract Surg 2007; 33:31–36 Q 2007 ASCRS and ESCRS.
• Shammas No-history: SHAMMAS H.J., SHAMMAS M.C., GARABET A., KIM J.H., SHAMMAS A. ,
LABREE L.: Correcting the Corneal Power Measurements for Intraocular Lens Power Calculations
After Myopic Laser In Situ Keratomileusis” - American Journal of Ophthalmology (Impact Factor:
4.02). 10/2003; 136(3):426-32.
• Shammas No-history: SHAMMAS H.J., SHAMMAS M.C., HILL W.E.: Intraocular lens power
calculation in eyes with previous hyperopic laser in situ keratomileusis” - J Cataract Refract Surg
2013; 39:739–744 Q 2013 ASCRS and ESCRS.
Toric IOL calculation:
HB Fam, KL Lim: Meridional analysis for calculating the expected spherocylindrical refraction in
eyes with toric intraocular lenses. Journal of Cataract & Refractive Surgery, 2007 - Elsevier
N Alpins: Astigmatism analysis by the Alpins method. Journal of Cataract & Refractive Surgery,
2001 - Elsevier
G Savini, KJ Hoffer, M Carbonelli, P Ducoli: Influence of axial length and corneal power on
the astigmatic power of toric intraocular lenses - Journal of Cataract & …, 2013 - Elsevier
JT Holladay, TV Cravy, DD Koch: Calculating the surgically induced refractive change following
ocular surgery. - Journal of Cataract & Refractive Surgery, 1992 – Elsevier
Abulafia A, Koch DD, Wang L, Hill WE, Assia EI, Franchina M, Barrett GD: New regression formula
for toric intraocular lens calculation. – Journal of Cataract & Refractive Surgery, 2016 - Elsevier
1.2 Users
Users: medical staff, opticians, ophthalmologists.
For surgery and intraocular lens implantation, the device can only be used under medical supervision. For
the other applications, the device must be used by qualified personnel.