Boston Type II Keratoprosthesis, 7 Years of Experience and Outcomes From a Spanish Tertiary Eye Care Hospital.

Purpose: To report midterm outcomes of Boston Keratoprosthesis type II at a reference center in Spain.

Design: Retrospective case series.

Methods: This observational study included medical records of 9 patients who underwent Boston Keratoprosthesis type II surgery at Cruces University Hospital from May 2016 through May 2023.

The HUC progression score: A new method for determining KERATOCONUS progression.

Purpose: To establish new criteria for the progression of keratoconus, taking into account a Pentacam HR (high resolution) tomographeŕs repeatability limit.

Methods: This is a retrospective observational study, including 224 eyes in 154 patients diagnosed with keratoconus and patients treated with crosslinking, with a follow-up of at least one year, in which the new progression score of the Cruces University Hospital for keratoconus progression was analyzed. This score takes into account: maximum keratometry, thinnest corneal thickness, maximum posterior elevation, vertical coma and RMS of high order aberrations, all based on the tomographer repeatability limit.

Transmucosal Boston Keratoprosthesis Type II in a Case of Severe Bilateral Chemical Burn.

Purpose: The purpose of this report was to describe a new alternative surgical technique combining oral mucosa and the Boston Keratoprosthesis type II (BKPro II) in a patient with severe chemical burn.

Methods: We present a case of a 37-year-old man who suffered a severe bilateral chemical burn. Visual acuity was light perception and projection in both eyes.

Candida Colonization on the Surface of Contact Lenses in Long-Term Wearers and Boston Type 1 Keratoprosthesis Patients Presenting as White Mulberry-Shaped Deposits.

Purpose: To report Candida colonies on the surface of the contact lens in long-term contact lens wearers and patients with Boston type 1 keratoprosthesis (KPro I).

Methods: A retrospective study was performed based on analyzing cultures from bandage contact lenses with small whitish mulberry-shaped deposits on their surface.

Results: Eight samples (from seven patients) were positive for Candida.

Sterile corneal necrosis after bowman layer transplantation.

To report sterile corneal necrosis as a severe and rare complication after Bowman Layer Transplantation (BTL). A 35-year-old woman with Down syndrome and advanced progressive keratoconus in her left eye was scheduled for a BLT. The patient rubbed her eyes and did not tolerate contact lenses.

Transscleral Cyclophotocoagulation for the Treatment of Uncontrolled Glaucoma in a Boston Keratoprosthesis Type II Patient.

Postoperative endoscopic cyclophotocoagulation (CPC) for the treatment of glaucoma in patients with Boston keratoprosthesis type II (BKPro II) was first described in 2017 by Poon et al. (). As we do not have this device, we present a case of transscleral CPC (TSCPC), in a BKPro II patient who had graft versus host disease and developed uncontrolled glaucoma.

Changes in the corneal thickness and limbus after 1 year of scleral contact lens use.

Purpose: To assess the physiological changes in the cornea over time in patients with irregular cornea fitted with Rose K2 XL gas-permeable scleral contact lenses.

Methods: Prospective study of 16 eyes of patients who did not tolerate gas-permeable corneal contact lenses and were fitted with Rose K2 XL scleral lenses. We assessed the central vault and the corneal thickness centrally and at peripheral regions (2 to 5 mm annulus).

Extreme Surgical Maneuvers in Fungal Endophthalmitis.

Purpose: To present the different evolution of 2 cases of endophthalmitis caused by Fusarium solani, an aggressive filamentous fungus, depending on the medical and surgical treatment performed.

Methods: We present 2 cases of endophthalmitis caused by Fusarium solani. Topical, intrastromal, intravitreal, and systemic antifungal treatment (natamycin, voriconazole, amphotericin B) failed in both cases.

Evaluation of the Reliability and Repeatability of Scheimpflug System Measurement in Keratoconus.

Purpose: To assess the reliability and repeatability of the parameters obtained using a Scheimpflug system (Pentacam HR-high resolution) for monitoring progression in eyes with keratoconus.

Methods: A prospective study was conducted based on measurements taken with the Pentacam HR in 82 eyes with keratoconus. We calculated the intraclass correlation coefficient (ICC) and the repeatability limit for topographic and aberrometric parameters.

Irregular Corneas: Improve Visual Function With Scleral Contact Lenses.

Objectives: To assess visual function in patients with irregular cornea who do not tolerate gas permeable (GP) corneal contact lenses and are fitted with GP scleral contact lenses (Rose K2 XL).

Methods: In this prospective study, we analyzed 15 eyes of 15 patients who did not tolerate GP corneal contact lenses and were fitted with scleral contact lenses (Rose K2 XL). We assessed visual function using visual acuity and the visual function index (VF-14); we used the VF-14 as an indicator of patient satisfaction.