ArticleOphthalmology and therapy2023
Fluid Supplementation Through Weakened Zonules via Side-Port Incision to Maintain Intraocular Pressure in High Myopic Eyes.
Article in Ophthalmology and therapy, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05201677 (Improved Operation of Low Intraocular Pressure in Phacoemulsification for Patients With High Myopia Complicated With Cataract), which is not on this map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Improved Operation of Low Intraocular Pressure in Phacoemulsification for Patients With High Myopia Complicated With Cataract
Who cites it
2 citing papers in PubMed, 7 citations in OpenAlex.
- Feasibility of Intraoperative SS-OCT for Assessing Capsular-Bag Dynamics During Cataract Surgery: Pilot Randomized Intra-Individual Comparison of Adaptive Versus Gravity-Based Fluidics.Diagnostics (Basel, Switzerland) · 2026Article
- Complications of high myopia: An update from clinical manifestations to underlying mechanisms.Advances in ophthalmology practice and researchReview
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PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
8 authors at 1 institution in 1 country.
Funding
Abstract
introductionDuring phacoemulsification, the infusion pressure can cause the liquefied vitreous fluid to escape through the ciliary fiber interspace in highly myopic eyes, leading to reduced vitreous cavity pressure similar to vitrectomized eyes. This study assessed the probability of low intraocular pressure (IOP) in high myopic eyes with different axial length (AL) group undergoing cataract surgery, as well as the impact of balanced salt solution (BSS) supplementation and the optimal IOP value for such supplementation.
methodsThe control group consisted of cataract eyes with normal AL (group 1: 22 mm ≤ AL < 24.5 mm), while cataract eyes with high axial myopia were categorized into three groups (group 2: 26 mm ≤ AL < 28 mm, group 3: 28 mm ≤ AL < 30 mm, group 4: AL ≥ 30 mm). IOP was measured using the iCare pro tonometer intraoperatively. BSS supplementation was performed to raise IOP in cases of low IOP, before intraocular lens (IOL) implantation and before the end of surgery. The probability of low IOP was calculated, and the IOP before and after supplementation were compared.
resultsNinety-five eyes were included. The total probability of low IOP in groups 2, 3, and 4 was 56.52, 62.50, and 70.83%, respectively, significantly higher than that in group 1 (16.67%). Similarly, the probability of low IOP before IOL implantation was significantly higher in groups 2, 3, 4 (43.48, 41.67, and 62.50%) compared to group 1 (4.17%, P < 0.05). The IOP before and after the first BSS supplementation in three high myopia groups were statistically significant (P < 0.05), increasing from 12.10 mmHg (range, 6.0-24.9 mmHg) to 16.60 mmHg (range, 10.2-34.4 mmHg). After the second BSS supplementation before the end of surgery, the IOP of high myopia groups increased from 12.60 mmHg (range, 7.0-25.3 mmHg) to 14.60 mmHg (range, 9.8-25.3 mmHg).
conclusionsThe condition of highly myopic eyes seems more likely to develop low IOP during cataract surgery. There is an observed correlation: as AL increases, the total probability of low IOP rises. In patients with IOP < 9.5 mmHg intraoperatively, fluid supplementation via a side-port incision can effectively raise IOP to about 16 mmHg before IOL implantation and about 14 mmHg after incision sealing, facilitating smoother IOL implantation and reducing the risk of postoperative low IOP.
trial registrationNCT, NCT05201677. Registered 23 November 2021-Retrospectively registered, https://clinicaltrials.gov/ct2/show/NCT05201677 .
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