Different-sized incisions for phacoemulsification in age-related cataract

Jin, Chao; Chen, Xinyi; Law, Angeline; Kang, Yunhee; Wang, Xue; Xu, Wen; Yao, Ke

doi:10.1002/14651858.cd010510.pub2

Cited by 25 publications

(13 citation statements)

References 77 publications

(196 reference statements)

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“…Cataracts is characterized by an opacification of the normally transparent crystalline lens, resulting in visual impairment ( 66 , 67 ). Although this disease can now be successfully treated surgically, cataract remains to be the leading cause of blindness and a secondary cause of moderate to severe vision impairment worldwide ( 58 ).…”

Section: Impact Of the Most Common Ophthalmic Interventions On Corneal Endothelial Cellsmentioning

confidence: 99%

“…Although this disease can now be successfully treated surgically, cataract remains to be the leading cause of blindness and a secondary cause of moderate to severe vision impairment worldwide ( 58 ). Improvements in cataract surgical treatment, including the development of original techniques and advancements in instrumentation, has rendered this type of surgery less traumatic and more capable of rapidly restoring visual acuity ( 66 ). Therefore, in numerous developed countries, cataracts surgery remains to be one of the most commonly performed surgical procedures, providing significant, long-term and cost-effective improvements to the quality of life of patients ( 58 ).…”

Section: Impact Of the Most Common Ophthalmic Interventions On Corneal Endothelial Cellsmentioning

confidence: 99%

“…Therefore, in numerous developed countries, cataracts surgery remains to be one of the most commonly performed surgical procedures, providing significant, long-term and cost-effective improvements to the quality of life of patients ( 58 ). At present, the gold standard of cataract surgery is phacoemulsification using a clear corneal incision ( 66 ). Compared with other older cataract surgical procedures, phacoemulsification is considered to be the safest form of intervention, since only a small incision is required during phacoemulsification surgery and results in a lower risk of perioperative complications and increased rate of rehabilitation ( 66 ).…”

Section: Impact Of the Most Common Ophthalmic Interventions On Corneal Endothelial Cellsmentioning

confidence: 99%

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Risk factors for fluctuations in corneal endothelial cell density (Review)

et al. 2021

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The cornea is a transparent, avascular and abundantly innervated tissue through which light rays are transmitted to the retina. The innermost layer of the cornea, also known as the endothelium, consists of a single layer of polygonal endothelial cells that serve an important role in preserving corneal transparency and hydration. The average corneal endothelial cell density (ECD) is the highest at birth (~3,000 cells/mm 2 ), which then decrease to ~2,500 cells/mm 2 at adulthood. These endothelial cells have limited regenerative potential and the minimum (critical) ECD required to maintain the pumping function of the endothelium is 400-500 cells/mm 2 . ECD < the critical value can result in decreased corneal transparency, development of corneal edema and reduced visual acuity. The condition of the corneal endothelium can be influenced by a number of factors, including systemic diseases, such as diabetes or atherosclerosis, eye diseases, such as uveitis or dry eye disease (DED) and therapeutic ophthalmological interventions. The aim of the present article is to review the impact of the most common systemic disorders (pseudoexfoliation syndrome, diabetes mellitus, cardiovascular disease), eye diseases (DED, uveitis, glaucoma, intraocular lens dislocation) and widely performed ophthalmic interventions (cataract surgery, intraocular pressure-lowering surgeries) on corneal ECD.

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Section: Impact Of the Most Common Ophthalmic Interventions On Corneal Endothelial Cellsmentioning

confidence: 99%

Section: Impact Of the Most Common Ophthalmic Interventions On Corneal Endothelial Cellsmentioning

confidence: 99%

Section: Impact Of the Most Common Ophthalmic Interventions On Corneal Endothelial Cellsmentioning

confidence: 99%

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Risk factors for fluctuations in corneal endothelial cell density (Review)

et al. 2021

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“…The review reported that there might be less astigmatism with coaxial micro incision Phacoemulsification surgery, but even that difference was small in the range of 0.2 D with uncertain evidence. 13 Hennig A et al have explained that although the rigid IOL requires a 5-mm incision which is wider than the required incision for foldable IOL, it may not alter the surgically induced astigmatism as it is further posterior, which may reduce its propensity to cause astigmatism. They studied compared the outcome after Phacoemulsification cataract surgery with 2.5 mm incision (foldable IOL insertion) 5 mm incision (rigid IOL insertion).…”

Section: Discussionmentioning

confidence: 99%

Untitled

2019

MIJOPH

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Background: Phacoemulsification cataract surgery can be done with temporal incision foldable posterior chamber intraocular lens (PCIOL) implantation. An extended temporal incision can also do it with rigid (non-foldable) intraocular lens implantation. The size of the incision may impact the magnitude of postoperative Astigmatism and visual outcome. The foldable lens requires a small incision but is expensive as compared to a rigid lens and may not be affordable for poor patients. Methods: The present prospective study was done at the Ophthalmology Department at a tertiary care centre in Maharashtra. 100 eyes of 100 patients were included in the study. Depending on the type of intraocular lens implant inserted in the eyes of the patients, they were divided into two groups irrespective of the type of astigmatism. Results: The study comprised of 100 patients with 54 males and 46 females. Mean age in group I group II was 60.68 ± 11.8 years and 63.16 ± 9.32 years respectively. Mean Surgical induced astigmatism on day 42 in group I group II was 0.56 ± 0.5 and 0.62 ± 0.6 respectively with no statistically significant difference between the two groups. Also, there was no statistically significant difference between the two groups on day 42 with respect to corrected visual acuity. Conclusions: From study results it can be concluded that there were similar results with regard to surgical induced astigmatism and corrected visual acuity after Phacoemulsification cataract surgery using foldable PCIOL and rigid PCIOL implantation. Considering the patient affordability factor, Phacoemulsification cataract surgery with rigid (nonfoldable) lens implantation can be an acceptable option.

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“…17,20 Komplikasyonsuz fakoemülsifikasyon sonrası endotel hücre kaybı kataraktın sertlik derecesi, kullanılan VEM'in ve fakoemülsifikasyon cihazı-nın özellikleri, cerrahın tecrübesi gibi birçok faktöre bağlı olarak %3-30 arasında değişmektedir. 21,22 Bu oranlar çalışmaların tama yakınında kornea merkezinden yapılan endotel hücre sayımlarına dayanmaktadır. Çalışmamızda ise korneanın 5 farklı kadranından ölçüm yapılmış ve kadranlar arasında değişmekle birlikte endotel kaybı %8-19 arasında saptanmıştır.…”

Section: Discussionunclassified

Reliability of Hydroimplantation Technique in Phacoemulsifification Surgery

Özateş¹,

Koç²

2018

Turkiye Klinikleri J Med Sci

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Ö ÖZ ZE ET T A Am ma aç ç: : Hidroimplantasyon yöntemiyle göz içi lensi (GİL) yerleştirilmesinin cerrahi sonrası göz içi basıncına (GİB) ve kadranlara göre korneal endotel hücrelerine etkisini değerlendirmek. G Ge er re eç ç v ve e Y Yö ön nt te em ml le er r: : Randomize ve prospektif çalışmaya Lens Opacities Classification System III'e göre NO2 den daha yüksek nükleer kataraktı olan, fakoemülsifikasyon ve GİL implantasyonu yapılmış 68 hastanın 68 gözü dahil edildi. Hastalar GİL implantasyonunda kullanılan tekniğe göre viskoelastik materyal (VEM) grubu ve hidroimplantasyon grubu olmak üzere 2 gruba ayrıldı. Hastaların cerrahi sonrası GİB, merkezi kornea kalınlığı (MKK), santral/superior/inferior/temporal / nazal kadranlarda endotel hücre sayıları preoperatif değerlerle karşılaştırılarak, grupların cerrahi sü-releri değerlendirildi. B Bu ul lg gu ul la ar r: : Hastaların 32'si (15 erkek, 17 kadın, ortalama yaşı: 60,9±9,9 yıl) VEM grubunda, 36'sı (17 erkek, 19 kadın, ortalama yaşı 59,0±7,8 yıl) hidroimplantasyon grubunda yer almaktaydı. Toplam cerrahi süresi VEM grubunda 8,12±1,01 dk, hidroimplantasyon grubunda 6,59±0,56 dk olup, cerrahi süre hidroimplantasyon grubunda anlamlı olarak daha düşüktü. Grupların preoperatif GİB değerleri benzer iken, postoperatif 5. saatte GİB VEM grubunda anlamlı olarak daha yüksekti. Ancak bu farkın 24. saatte kaybolduğu izlendi. Grupların MKK değerleri hem preoperatif hem de postoperatif dönemde benzerdi. Endotel hücre kaybı hidroimplantasyon grubunda tüm kadranlarda VEM grubuna göre daha fazlaydı ancak aradaki fark istatiksel olarak anlamlı değildi (santral; p=0,222; superior; p=0,091; inferior; p=0,583; temporal; p=0,089; nazal; p=0,096). İki grupta da en fazla endotel kaybı süperior kadranda izlendi. S So on nu uç ç: : Hidroimplantasyon cerrahi süresini kısaltan, cerrahi sonrası erken dönemde GİB artışını engelleyen ve endotel açısından da güvenilir bir yöntemdir. Ancak çalışma sonuçlarımız değerlendirilirken hasta populasyonunun küçük olması göz önünde bulundurulmalıdır.A An na ah h t ta ar r K Ke e l li i m me e l le er r: : Fakoemülsifikasyon; katarakt; hidroimplantasyon; endotel; viskoelastik madde A AB BS S T TR RA AC CT T O Ob bj je ec ct ti iv ve e: : To assess the effect of intraocular lens (IOL) implantation with hydroimplantation technique on postoperative intraocular pressure (IOP) and corneal endothelial cells. M Ma at te er ri ia al l a an nd d M Me et th ho od d: : This prospective randomized clinical study examined 68 eyes of 68 patients with nuclear cataract greater than NO2 according to Lens Opacities Classification System III. Patients formed viscoelastic material (VEM) and hydroimplantation groups according to technique used in IOL implantation. Preoperative and postoperative IOP, central corneal thickness (CCT), corneal endothelial cell count at central, superior, inferior, temporal and nasal cornea outcomes were analyzed and compared. R Re es su ul lt ts s: : The VEM group consisted of 32 patients (15 male, 17 female, mean age:60.9±9.9 years) and the hydroim...

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Different-sized incisions for phacoemulsification in age-related cataract

Cited by 25 publications

References 77 publications

Risk factors for fluctuations in corneal endothelial cell density (Review)

Risk factors for fluctuations in corneal endothelial cell density (Review)

Untitled

Reliability of Hydroimplantation Technique in Phacoemulsifification Surgery

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