Question explored with the scientific record
Cataract surgery worth it
The short version: cataract surgery reliably improves vision and quality of life for most people with visually significant cataracts, but the evidence on long-term safety is thin and the complication rate is not zero.
The evidence here is almost entirely about visual outcomes, not about long-term systemic safety. A 1995 prospective study of early-cataract patients found that best corrected visual acuity improved from 0.54 to 0.95, and 94% of patients reported their vision was improved or greatly improved [2]. A 2009 study of patients with 20/20 or better preoperative acuity still showed significant functional gains on the VF-14 questionnaire [14]. A 1998 Lancet trial of second-eye surgery found that expedited surgery improved binocular contrast sensitivity (1.76 vs 1.54) and stereoacuity compared to waiting [26]. A 2025 study of 66 women found that sexual function scores (FSFI) improved from 13.0 to 17.2 one month after surgery [22]. The pattern is consistent: when the cataract is visually significant, surgery improves what it is supposed to improve.
The risks are real but not well quantified in this retrieval. Endophthalmitis, the most feared complication, occurs at rates around 0.05% to 0.28% depending on the population [29, 31]. A 2004 study of 117,083 procedures found that private hospital surgery doubled the risk (OR 2.38) and concurrent eyelid procedures multiplied it 23-fold [28]. A 2025 study of 784 patients identified diabetes (OR 2.18) and vitreous spillage (OR 3.93) as independent risk factors for endophthalmitis [30]. Posterior capsular tear occurred in 8.5% of patients aged 90 and older in one series [17]. These are procedure-specific risks, not long-term systemic harms, and the evidence does not track what happens to patients five or ten years out.
| Outcome | Before surgery | After surgery | Source |
|---|---|---|---|
| Best corrected VA (early cataracts) | 0.54 | 0.95 | [2] |
| VF-14 score (bilateral cataracts) | 80.9 | 95.5 | [14] |
| FSFI total (female sexual function) | 13.0 | 17.2 | [22] |
| Endophthalmitis incidence | — | 0.05–0.28% | [29, 31] |
| Posterior capsular tear (age ≥90) | — | 8.5% | [17] |
My call: for a patient with visually significant cataracts who understands the perioperative risks, the short-term evidence supports surgery. The long-term safety data beyond one year is absent from this retrieval, and that gap matters. Confidence: moderate for short-term benefit, low for long-term safety.
Sources examined 32
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Preoperative cataract surgery use of an intravitreal dexamethasone implant (Ozurdex) in a patient with juvenile idiopathic arthritis and chronic anterior uveitis
This study reports the successful use of an intravitreal dexamethasone implant (Ozurdex) as a perioperative anti-inflammatory treatment in a 6-year-old boy with juvenile idiopathic arthritis and chronic anterior uveitis undergoing cataract surgery, resulting in controlled inflam…
DOI: 10.1016/j.jaapos.2013.07.014 -
Cataract surgery in eyes with early cataracts
This prospective study evaluates the visual outcomes and patient satisfaction following cataract surgery in patients with early cataracts, demonstrating significant improvements in visual acuity and contrast sensitivity post-surgery.
DOI: 10.1016/s0886-3350(13)80210-6 -
Management of aphakia with low corneal endothelial cell count after complicated cataract surgery in a middle-age patient
This study reports the successful implantation of a retropupillary iris-claw intraocular lens (RP-ICIOL) in a 32-year-old male patient with aphakia and low corneal endothelial cell count following complicated cataract surgery, resulting in improved visual acuity and controlled i…
DOI: 10.59747/smjidisurabaya.v1i2.15 -
Successful treatment of cystoid macular edema with valdecoxib
This study evaluates the safety and efficacy of the COX-2 inhibitor valdecoxib in treating cystoid macular edema (CME) after cataract surgery, demonstrating significant improvement in visual acuity and reduction in edema in a cohort of ten patients.
DOI: 10.1016/j.jcrs.2007.01.011 -
Clinical Outcomes of TECNIS Toric Intraocular Lens Implantation after Cataract Removal in Patients with Corneal Astigmatism
This study evaluates the safety and effectiveness of TECNIS toric intraocular lenses (IOLs) in correcting corneal astigmatism in patients undergoing cataract surgery, demonstrating significant improvements in visual acuity and cylinder reduction compared to control lenses.
DOI: 10.1016/j.ophtha.2014.06.027 -
Initial experience with an accommodating intraocular lens: Controlled prospective study
This controlled prospective study evaluates the effectiveness of the Crystalens AT-45 accommodating intraocular lens in providing distance and near vision in patients undergoing cataract surgery, demonstrating significant improvements in visual acuity and patient satisfaction ov…
DOI: 10.1016/j.jcrs.2010.01.025 -
Cyclooxygenase-2 inhibitors: A new therapeutic option in the treatment of macular edema after cataract surgery
This study reports the successful use of valdecoxib, a cyclooxygenase-2 inhibitor, in treating cystoid macular edema (CME) following cataract surgery in two patients, demonstrating significant and stable improvement in visual acuity.
DOI: 10.1016/j.jcrs.2004.12.067 -
Macular Hole Surgery and Cataract Extraction: Combined vs Consecutive Surgery
This study compares the functional and anatomic outcomes of combined versus consecutive surgeries for idiopathic macular hole and cataract extraction, finding that both approaches yield similar visual acuity improvements but combined surgery offers faster recovery and lower over…
DOI: 10.1016/j.ajo.2010.04.008 -
Refractive accuracy with light-adjustable intraocular lenses
This study evaluates the efficacy, predictability, and stability of refractive treatments using light-adjustable intraocular lenses (IOLs) in patients post-cataract surgery, demonstrating significant improvements in refractive outcomes and visual acuity.
DOI: 10.1016/j.jcrs.2013.10.046 -
Prevalence and vision-related outcomes of cataract surgery in Gujarat, India
This study investigates the prevalence and vision-related outcomes of cataract surgery in Gujarat, India, revealing significant improvements in surgical coverage and visual acuity among the cataract-blind population.
DOI: 10.3109/09286580903315809 -
Cataract Surgery in HIV Seropositive Patients: Long-Term Follow-Up
This study investigates the epidemiology and clinical outcomes of cataract surgery in HIV seropositive patients, revealing significant improvements in visual acuity post-surgery, particularly in those without prior uveitis.
DOI: 10.1080/09273948.2017.1416149 -
Intravitreal Phacoemulsification with Pars Plana Vitrectomy for Management of Posteriorly Dislocated Nucleus or Lens Fragments
The study evaluates the outcomes of immediate intravitreal phacoemulsification combined with pars plana vitrectomy for managing posteriorly dislocated lens nuclei during cataract surgery, demonstrating a significant improvement in visual acuity with manageable complication rates.
DOI: 10.1177/112067211002000115 -
Cataract surgery in uveitis: a multicentre database study
This multicentre database study investigates the outcomes of cataract surgery in patients with uveitis, revealing that while surgery improves visual acuity, uveitic eyes experience worse preoperative and postoperative visual outcomes compared to non-uveitic eyes, along with high…
DOI: 10.1136/bjophthalmol-2016-309047 -
Functional visual outcomes of cataract surgery in patients with 20/20 or better preoperative visual acuity
This study evaluates the functional visual outcomes of cataract surgery in patients with 20/20 or better preoperative visual acuity, finding significant improvements in visual function as measured by the VF-14 questionnaire.
DOI: 10.1016/j.jcrs.2009.04.031 -
Refractive and visual outcome of paediatric cataract surgery in the Ukraine
This study evaluates the refractive and visual outcomes of cataract surgery in 65 children aged 3-15 years in Ukraine, revealing significant improvements in visual acuity despite the absence of postoperative correction with glasses or occlusion therapy.
DOI: 10.1111/j.1600-0420.2006.00686.x -
SURGICAL OUTCOMES IN PATIENTS WITH MACULAR PUCKER AND GOOD PREOPERATIVE VISUAL ACUITY AFTER VITRECTOMY WITH MEMBRANE PEELING
This study evaluates the efficacy and safety of small-gauge pars plana vitrectomy with membrane peeling in patients with macular pucker and good preoperative visual acuity, finding significant visual improvement post-surgery despite high rates of cataract formation in phakic pat…
DOI: 10.1097/IAE.0000000000000558 -
Visual outcome following cataract extraction in patients aged 90 years and older
Cataract extraction in patients aged 90 years and older yields postoperative VA improvement in a majority of eyes, with higher improvement when ocular comorbidity is absent; AMD reduces improvement but still allows meaningful gains for some patients.
DOI: 10.1038/eye.2008.203 -
Rabbits with naturally occurring cataracts referred for phacoemulsification and intraocular lens implantation: a preliminary study of 12 cases
This preliminary study investigates the outcomes of phacoemulsification and intraocular lens implantation in 15 rabbits with naturally occurring cataracts, demonstrating improved vision and quality of life post-surgery despite some complications.
DOI: 10.1111/vop.12525 -
Technique, postoperative complications, and visual outcomes of phacoemulsification cataract surgery in 21 penguins (27 eyes): 2011‐2015
This study evaluates the surgical technique, postoperative complications, and visual outcomes of phacoemulsification cataract surgery in 21 penguins, revealing a high success rate in restoring vision and improving quality of life.
DOI: 10.1111/vop.12555 -
Vision Change and Quality of Life in the Elderly
A prospective study of 1021 elderly ophthalmic patients showing that cataract surgery with intraocular lens implantation improves vision and is accompanied by correlated improvements in multiple quality-of-life domains, with greater gains seen in patients with worse baseline vis…
DOI: 10.1001/archopht.1993.01090050114040 -
The Impact of Successful Cataract Surgery on Quality of Life, Household Income and Social Status in South India
This study investigates the impact of successful cataract surgery on the quality of life, household income, and social status of individuals in impoverished rural communities in South India, demonstrating significant improvements in visual acuity, economic engagement, and social…
DOI: 10.1371/journal.pone.0044268 -
Evaluation of sexual function changes in female patients before and after cataract surgery
A prospective, single-center observational study showing that elective cataract surgery is associated with significant improvements in female sexual function across all FSFI domains and total score one month postoperatively in 66 married, sexually active women.
DOI: 10.1186/s12905-025-04061-y -
RETROSPECTIVE INVESTIGATION OF CATARACT MANAGEMENT IN AVIAN SPECIES IN A ZOOLOGIC COLLECTION
This retrospective study investigates cataract management in avian species at a zoological collection, revealing the prevalence of cataracts, surgical outcomes, and associated complications, ultimately demonstrating that cataract removal can significantly improve vision and qual…
DOI: 10.1638/2015-0071.1 -
Visual Outcome and Patient Satisfaction of Low-Power-Added Multifocal Intraocular Lens
This study evaluates the visual outcomes and patient satisfaction following the implantation of low-power-added multifocal intraocular lenses compared to conventional monofocal intraocular lenses, finding that the multifocal lenses provide better intermediate and near vision wit…
DOI: 10.1097/ICL.0000000000000314 -
CASE REPORT: Bilateral phacoemulsification in an orangutan ( Pongo pygmaeus )
This case report documents bilateral cataract surgery by phacoemulsification in a 14-year-old female captive orangutan (Pongo pygmaeus), including preoperative electroretinography and ultrasonography to assess retinal viability, detailed anesthesia and surgical technique with tr…
DOI: 10.1111/j.1463-5224.2009.00733.x -
Randomised trial of effectiveness of second eye cataract surgery
This study investigates the effectiveness of second eye cataract surgery by comparing patient-reported outcomes and visual function tests between expedited and routine surgery groups, finding significant benefits for those receiving expedited surgery.
DOI: 10.1016/s0140-6736(97)12536-3 -
Outsourced cataract surgery and postoperative endophthalmitis
This study compares the risk of postoperative endophthalmitis after cataract surgery in public versus private hospitals in Denmark, revealing a higher risk in private settings and highlighting the need for better monitoring of cataract surgeries.
DOI: 10.1111/aos.12279 -
Significant Nonsurgical Risk Factors for Endophthalmitis after Cataract Surgery: EPSWA Fourth Report
This study identifies significant nonsurgical risk factors for postoperative endophthalmitis after cataract surgery using population-based data from Western Australia, revealing that older age, private hospital surgery, and concurrent eyelid or lacrimal procedures substantially …
DOI: 10.1167/iovs.03-1000 -
Endophthalmitis in an Asian Population
This study analyzes the incidence and risk factors of acute postoperative endophthalmitis after cataract surgery in a cohort of 1770 patients, finding a higher incidence than the UK national average and highlighting the protective role of subconjunctival antibiotics.
DOI: 10.1016/j.ophtha.2004.10.022 -
Analysis of pathogenic bacteria and predictors of infectious endophthalmitis after cataract surgery
This retrospective cohort study of 784 cataract surgery patients identifies diabetes mellitus and vitreous spillage as independent risk factors for postoperative infectious endophthalmitis, characterizes pathogen distribution dominated by Gram-positive bacteria, and shows that a…
DOI: 10.1186/s12886-025-04444-7 -
Postoperative Endophthalmitis
This study reviews postoperative endophthalmitis, highlighting its incidence, the effectiveness of various treatment modalities, and the importance of proper surgical preparation to mitigate risks.
DOI: 10.1086/381262 -
The Efficacy of 5% Povidone-Iodine for 3 Minutes Prior to Cataract Surgery
This study investigates the efficacy of 5% povidone-iodine applied for 3 minutes prior to cataract surgery in reducing conjunctival flora, particularly coagulase-negative staphylococci, and demonstrates a significant decrease in culture-positive swabs post-application.
DOI: 10.1177/112067210901900407