Evaluation of the anterior chamber angle by anterior segment optical coherence tomography after implantable phakic contact lens implantation in myopic eyes

Mahmoud, Mohamed Salah El-Din; Mohamed, Asmaa H.; Zein, Hosny Ahmed

doi:10.1007/s10792-022-02244-2

Cited by 2 publications

(5 citation statements)

References 17 publications

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“…After IPCL insertion at 6 months postoperatively, this is consistent with our study findings of ACA500 and AOD500. [20] This was the first study to compare ACA500 and AOD500 after phakic IOL implantation, which has been exclusively addressed in existing literature on glaucoma. [23,31] In our study, we observed a significant decrease in the ACA and AOD parameters at 12 months after surgery compared to before the operation.…”

Section: Discussionmentioning

confidence: 99%

“…After IPCL insertion at 6 months postoperatively, this is consistent with our study findings of ACA500 and AOD500. [ 20 ]…”

Section: Discussionmentioning

confidence: 99%

“…[ 10 , 19 ] IPCLs include 6 haptics to boost stability within the posterior chamber. [ 20 ] Additionally, IPCLs incorporate 7 holes in the design, including 2 peripheral holes in the upper zone, 4 holes outside the optical zone, and a central conic hole measuring 380 µm. [ 20 ] The central conic hole is a new addition to the IPCL to minimize light scattering, reduce glare, and facilitate alignment and aqueous humor circulation.…”

Section: Methodsmentioning

confidence: 99%

“…[ 20 ] Additionally, IPCLs incorporate 7 holes in the design, including 2 peripheral holes in the upper zone, 4 holes outside the optical zone, and a central conic hole measuring 380 µm. [ 20 ] The central conic hole is a new addition to the IPCL to minimize light scattering, reduce glare, and facilitate alignment and aqueous humor circulation. [ 18 ] The diopter power range is intended for the correction of myopia in the range of −1.00 to −30.00 D and hyperopia from +1.0 to +15.0 D. The optical diameter varies between 5.75 and 6.20 mm, and the total diameter ranges from 11.0 to 14.00 mm, with 0.25 mm increments.…”

Section: Methodsmentioning

confidence: 99%

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A comparative study of two phakic posterior chamber implantable lenses

Yu,

Kang,

Tchah

et al. 2024

Medicine

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This study aimed to compare the postimplantation clinical outcomes of 2 types of posterior chamber phakic intraocular lenses (IOLs): Visian™ implantable collamer lenses (ICL; EVO+ V5; Staar Surgical, Monrovia, CA) and an implantable phakic contact lens (IPCL) (IPCL V2.0, Care Group Sight Solution, India) to correct high myopia and myopic astigmatism. This retrospective study included patients who had undergone phakic IOL implantation performed by a single surgeon between March 2021 and March 2022. Preoperative assessments included slit-lamp examination, fundus examination, spherical equivalent, uncorrected distant visual acuity (UDVA), corrected distant visual acuity (CDVA), specular microscope parameters, and optical quality analysis system parameters. Postoperative assessments after 1 year included slit-lamp examination to detect adverse effects and spherical equivalent, UDVA, CDVA, specular microscope, optical quality analysis system, and anterior-segment optical coherence tomography. Eighty eyes from 42 patients (47 eyes from 24 patients in the ICL group and 33 eyes from 18 patients in the IPCL group) were included. No statistically significant differences were observed between the 2 groups regarding preoperative parameters. At 1-year postoperatively, the mean UDVA in the ICL and IPCL groups was 0.019 ± 0.040 logMAR and 0.019 ± 0.041 logMAR, respectively. The mean CDVA was 0.001 ± 0.008 logMAR and 0.001 ± 0.007 logMAR in the ICL and IPCL groups, respectively, showing no statistically significant differences. The postoperative parameters did not differ significantly between the 2 groups. The visual acuity and refractive results of both groups were excellent, and both groups exhibited similar efficacy and safety profiles.

show abstract

Section: Discussionmentioning

confidence: 99%

“…After IPCL insertion at 6 months postoperatively, this is consistent with our study findings of ACA500 and AOD500. [ 20 ]…”

Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

See 2 more Smart Citations

A comparative study of two phakic posterior chamber implantable lenses

Yu,

Kang,

Tchah

et al. 2024

Medicine

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show abstract

“…According to Mahmoud et al, implantable phakic contact lens implantation is a safe method for myopia correction, with stable narrowing of the AC (anterior chamber) angle within 6 months after surgery under AS-OCT control [17] . Our patient showed marked narrowing up to 18° in the right eye.…”

Section: Discussionmentioning

confidence: 99%

A Case of a Low Vault after Posterior Chamber Acrylic Phakic Intraocular Lens Implantation

Saliev¹,

Yusupov²,

Mukhamedova³

2023

Case Rep Ophthalmol

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When implanting a posterior chamber phakic intraocular lens (pIOL), it is crucial to maintain a safe distance. The patient was a 29-year-old man with high-degree bilateral myopia. In February 2021, posterior chamber acrylic pIOLs (Eyecryl Phakic TORIC; Biotech Vision Care, Gujarat, India) were implanted in both his eyes. After the surgery, the right eye vault was 6 μm, and the left eye vault was 350 μm. Moreover, the internal anterior chamber depth values were 2,270 and 2,220 μm for the right and left eyes, respectively. In our case, we found a fairly high crystalline lens rise (CLR) in both eyes, but it was greater in the right eye. The CLR value was +455 in the right eye and +350 in the left eye. In our patient, anterior segment anatomical parameters were higher in the right eye than in the left eye, and a greater pIOL length was calculated for the right eye, but the vault was very low. In our opinion, this was associated with the high CLR in the right eye. If an even larger pIOL had been implanted, there would have been a greater narrowing of the anterior chamber angle. This case would be contraindicated if those parameters were considered in selecting the indications and determination of the pIOL length.

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Evaluation of the anterior chamber angle by anterior segment optical coherence tomography after implantable phakic contact lens implantation in myopic eyes

Cited by 2 publications

References 17 publications

A comparative study of two phakic posterior chamber implantable lenses

A comparative study of two phakic posterior chamber implantable lenses

A Case of a Low Vault after Posterior Chamber Acrylic Phakic Intraocular Lens Implantation

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