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ALADDIN, Biometer

Short description

ALADDIN: the ultimate & unique optical biometry & topography system. ALADDIN supports the Surgeon not only in IOL power calculation but also in his choice of the right premium IOL for each individual eye. Read more>

Key Features

  • Optical Biometry and Topography System
  • Precise IOL power calculation
  • Efficient reporting
  • ALADDIN Advanced IOL Workstation (AAIW)

Related Products

Measurement range

Axial Length (interferometry) Super luminescent diode 830nm, 15,00mm - 38,00mm
Corneal radii 3,30mm - 37,50mm / 9,00D - 101,50D (HW2.0) 5,00mm - 12,00mm / 28,00D - 67,50D (HW3.0)
ACD measurement slit illumination 1,50mm - 5,50mm (HW2.0) interferometer 1,50mm - 6,50mm (HW3.0)
WTW measurement 6,00mm - 18,00mm (HW2.0) 8,00mm - 14,00mm (HW3.0)
Pupillometry Dynamic, photopic & mesopic, pupil size 0,50mm - 10,00mm
Lens thickness (interferometer) No (HW2.0) 1,50mm - 6,50mm (phakic) 0,50mm - 3,50mm (pseudo-phakic) (HW3.0)
CCT measurement (interferometer) No (HW2.0) 0,300mm - 0,800mm (HW3.0)

On-Board calculation formulas

IOL formulas Haigis, Hoffer Q, Holladay 1, SRKII & SRKT
IOL web calculator connectivity Olsen Phaco Optics® connectivity (HW3.0)
Post refractive surgery IOL formulas Camellin Calossi & Shammas no histrory

Placido topography specifications

Keratoscopic cone (topographic map) 24 rings on a 43 dpt sphere, working distance 80mm
Points analysed over 100.000
Points measured over 6.000
Cornea coverage up to Ø 9,80mm (on a 8,00mm sphere) 42,20D with n=1.3375
Guided focus & alignment system Yes

Keratoconus screening

Apical curvature Yes
Apical gradient of curvature Yes
Symmetry index Yes
Kpi (Keratoconus probability index) Yes

PC requirements/Software

Toric IOL calculator Generic Toric IOL, Oculentis Toric IOL
Zernike analysis Pupil size 2,5mm - 7,0mm
Print to USB printer, network printer, PDF to shared network folder & PDF to USB
Display 10,1" touch screen
Storage At least 320Gb HDD (HW2.0) At least 320Gb HDD + 32Gb SSD (HW3.0)
Operating system Windows 7 Embedded OS
Processor AMD G-T56N
Internal memory 2Gb RAM
Connections 1 x LAN, 2 x USB
Supports USB Barcode scanner, External USB keyboard / mouse
Marking CE, ETL

Power source / supply

Power input AC 100 - 240V 50 - 60Hz

Dimensions / weight

Dimensions 320mm (W) x 490mm (H) x 470mm(L)
Weight 18Kg


Aladdin report Yes
Measurement overview Yes
Pupillometry Yes
Generic Toric IOL Yes
Oculentis Toric IOL Yes


Cataract surgery is one of the most routinely and accurately performed operative procedures worldwide. Patients and surgeons alike have very high expectations for the outcomes after cataract surgery, therefore modern cataract surgery is also referred to as a phaco-refractive procedure. 

Conventional optical biometers provide accurate information for determining the spherical power of the IOL, but lack in  information to completely understand the refractive properties of the optical  system of the eye. 

Topcon presents the complete picture with the new ALADDIN. ALADDIN supports the surgeon not only in his choice of the spherical power of the IOL, but also in his choice of the right premium IOL for each individual eye. 

The ALADDIN was developed with three key points in mind:
Point and shoot acquisition, all necessary measurements are taken in under 5 seconds.
Proven Interferometry technology and the new RCR Technology provide extremely accurate axial length and corneal radii information for precise determination of IOL spherical power.
Ease of use
The operator is only 3 clicks away of printing the IOL report with the precise determination of the IOL spherical power. The10.1 inch colour touchscreen monitor with its wide angle of view is very responsive and comfortable to use.

Precise IOL power calculation
Every IOL power calculation formula needs the best-possible accuracy for axial length and corneal radii measurements in order to achieve the desired outcomes. Interferometry is regarded as the gold standard for achieving precise axial length  measurements. The ALADDIN also uses this proven technology and is able to penetrate an extremely high percentage of cataracts due to its proprietary design. Topcon introduces its new RCR (real corneal radii) Technology which enables the ALADDIN to analyze approx. 1.000 datapoints at 3 mm diameter and measure the corneal radii as reliable and reproducible as Topcon’s outstanding line of auto kerato-refractometers. This provides the surgeon with unsurpassed accuracy in the determination of IOL spherical power. 

Efficient reporting
The ALADDIN has three summary reporting layouts to support the decision making of the surgeon and to support the communication between surgeon and patient to choose the best possible premium IOL for the individual eye.
IOL Power report
Overview of IOL spherical power for any given IOL model or IOL formula for both eyes.
Measurement report
Overview of all measurements made for both eyes.
ALADDIN report
Overview of important topographical and papillary features of both eyes that influence premium IOL choice.

Moreover, very detailed data on every single measurement feature such as the corneal topography can also be printed directly from the individual data screens.

Placido Topography
The key feature of the ALADDIN is its built-in full placido topography system, that not only supports the surgeon in his premium IOL choice, but offers all the additional diagnostic capabilities of any stand-alone topographer. From detecting and analyzing corneal irregularities to fitting contact lenses, the ALADDIN offers a broad range of functionalities.



  • Aladdin_article_CRST_Europe_March_2013.pdf

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  • Supplement_CRSToday_Europe_October_2013.pdf

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  • Clinical_paper_Dr_K.J._Hoffer_Feb_2017.PDF

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  • TEM_ALADDIN_Brochure_EN_2017.pdf

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