Purpose
To present the case of a 60-year-old patient with severe nanophthalmic eyes, who underwent cataract surgery with a bilateral implantation of custom-made high-power intraocular lenses (IOLs).
Observations
The axial length was 14.94 and 15.05 mm of the right and the left eye, respectively. The preoperative corrected distance visual acuity (CDVA) was +0.46 logMAR (20/63) in the right eye and +0.58 logMAR (20/80) in the left eye with rigid contact lenses of +17.5 D bilaterally. The calculated IOL power for emmetropia with different formulas ranged from +55.28 to +70.09 D. The IOL power selection was based on the average value from four formulas (Haigis, Holladay 1, Holladay 2, SRK/T) with the target refraction of emmetropia. Custom-made +56.0 and + 58.0 D Aspira-aAY IOLs (HumanOptics AG, Erlangen, Germany) were implanted without any complications. The postoperative CDVA was +0.40 logMAR (20/50) and +0.60 logMAR (20/80). The manifest refraction spherical equivalents were +0.625 D and −0.375 D.
Conclusions and importance
Even in eyes with the axial length of only 15 mm, cataract surgery can be successfully performed after adequate preparation. High-power customized IOLs allow complete correction of hyperopia but caution is required with the results from different IOL power calculation formulas, which can be misleading.
Anamnese und klinischer Befund Es stellte sich eine 34-jährige Patientin in unserer Spezialsprechstunde für Refraktive Chirurgie mit der Frage nach operativen Behandlungsoptionen vor. Sie zeigte einen leicht irregulären Astigmatismus am rechten Auge und einen stark irregulären Astigmatismus bei Keratokonus am linken Auge (▶ Abb. 1). Im Vorjahr sei auf dem linken Auge extern eine Crosslinking-Behandlung durchgeführt worden. Die Patientin verspürte einen extrem hohen Leidensdruck und berichtete über Doppelbilder und Kopfschmerzen, weshalb sie sich zur Zweitmeinung am Universitätsklinikum vorstellte. Die Visusdaten bei Erstvorstellung sind in ▶ Tab. 1 zusammengefasst. Funduskopisch stellte sich an beiden Augen ein regelrechter Befund dar.
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