PapersFlow Research Brief
Ocular Infections and Treatments
Research Guide
What is Ocular Infections and Treatments?
Ocular infections and treatments encompass the epidemiology, risk factors, microbiological spectrum, antibiotic resistance patterns, and management strategies for conditions such as endophthalmitis, keratitis, and fungal keratitis, including the influence of cataract surgery and intravitreal injections on infection development and the composition of conjunctival flora.
The field includes 38,539 papers addressing infectious and inflammatory eye diseases that lead to corneal scarring and blindness. Diseases affecting the cornea rank as a major cause of blindness worldwide, second only to cataract, with epidemiology involving a wide variety of ocular infections like keratitis. Management strategies target pathogens in endophthalmitis and fungal keratitis, with growth data over five years unavailable.
Topic Hierarchy
Research Sub-Topics
Postoperative Endophthalmitis
This sub-topic examines the epidemiology, microbiology, and management of endophthalmitis following intraocular surgeries like cataract surgery and intravitreal injections. Researchers study risk factors, prophylactic strategies, and outcomes from clinical trials such as the Endophthalmitis Vitrectomy Study.
Bacterial Keratitis
This sub-topic focuses on the microbial etiology, antibiotic resistance patterns, and therapeutic approaches for corneal infections caused by bacteria such as Pseudomonas aeruginosa. Researchers investigate contact lens-related risk factors and novel antimicrobial therapies.
Fungal Keratitis
This sub-topic explores the epidemiology, diagnosis, and management of fungal corneal infections, particularly Fusarium and Aspergillus species in tropical regions. Researchers evaluate antifungal agents like voriconazole and surgical interventions.
Ocular Antibiotic Resistance
This sub-topic investigates antimicrobial resistance in ocular pathogens from conjunctival flora and infections like endophthalmitis. Researchers analyze resistance mechanisms and stewardship strategies in topical and intravitreal antibiotics.
Conjunctival Flora Dynamics
This sub-topic studies the composition, changes, and pathogenic potential of normal and altered conjunctival microbiome post-surgery or antibiotics. Researchers use culture and molecular methods to link flora shifts to infection risk.
Why It Matters
Ocular infections contribute significantly to corneal blindness, a leading global cause second only to cataract, as detailed in "Corneal blindness: a global perspective." (Whitcher et al., 2001), which highlights infectious diseases causing corneal scarring. In endophthalmitis management, the "Results of the Endophthalmitis Vitrectomy Study" (1995) provides evidence-based outcomes for vitrectomy timing and antibiotics post-cataract surgery. Antifungal treatments like voriconazole outperform amphotericin B in invasive aspergillosis, relevant to fungal keratitis, achieving better responses and survival rates (Herbrecht et al., 2002, 3263 citations). Photodynamic therapy offers an antimicrobial approach for infectious keratitis (Hamblin and Hasan, 2004). These interventions preserve vision in high-risk procedures such as cataract surgery and intravitreal injections.
Reading Guide
Where to Start
"Corneal blindness: a global perspective." (Whitcher et al., 2001) provides an essential epidemiological foundation on infectious causes of corneal scarring and their global burden, ideal for initial understanding before diving into treatments.
Key Papers Explained
"Corneal blindness: a global perspective." (Whitcher et al., 2001) establishes infectious keratitis as a primary blindness cause, which "Results of the Endophthalmitis Vitrectomy Study" (1995) addresses through surgical management post-cataract surgery. "Voriconazole versus Amphotericin B for Primary Therapy of Invasive Aspergillosis" (Herbrecht et al., 2002) builds antifungal evidence applicable to fungal keratitis cases. "Photodynamic therapy: a new antimicrobial approach to infectious disease?" (Hamblin and Hasan, 2004) extends to novel therapies for resistant ocular pathogens.
Paper Timeline
Most-cited paper highlighted in red. Papers ordered chronologically.
Advanced Directions
Current focus remains on antibiotic resistance in endophthalmitis and keratitis microbiology post-intravitreal injections, with no recent preprints or news available. Frontiers involve refining vitrectomy protocols from 1995 study data and antifungal applications from voriconazole trials.
Papers at a Glance
| # | Paper | Year | Venue | Citations | Open Access |
|---|---|---|---|---|---|
| 1 | Voriconazole versus Amphotericin B for Primary Therapy of Inva... | 2002 | New England Journal of... | 3.3K | ✓ |
| 2 | Photodynamic therapy: a new antimicrobial approach to infectio... | 2004 | Photochemical & Photob... | 2.0K | ✕ |
| 3 | Corneal blindness: a global perspective. | 2001 | PubMed | 1.5K | ✓ |
| 4 | Results of the Endophthalmitis Vitrectomy Study | 1995 | Archives of Ophthalmology | 1.3K | ✕ |
| 5 | Prevalence of and Risk Factors for Dry Eye Syndrome | 2000 | Archives of Ophthalmology | 1.2K | ✓ |
| 6 | Shape from focus | 1994 | IEEE Transactions on P... | 1.2K | ✕ |
| 7 | Optische Kohärenztomographie | 2015 | Der Hautarzt | 1.0K | ✕ |
| 8 | Very Long-Term Prognosis of Patients with Malignant Uveal Mela... | 2003 | Investigative Ophthalm... | 1.0K | ✕ |
| 9 | Preservatives in eyedrops: The good, the bad and the ugly | 2010 | Progress in Retinal an... | 1.0K | ✕ |
| 10 | Cataracts | 2017 | The Lancet | 923 | ✕ |
Frequently Asked Questions
What are the primary causes of corneal blindness?
Infectious and inflammatory eye diseases cause corneal scarring, leading to blindness second only to cataract worldwide. "Corneal blindness: a global perspective." (Whitcher et al., 2001) describes the complicated epidemiology encompassing a wide variety of such conditions.
How does voriconazole compare to amphotericin B for fungal infections relevant to ocular cases?
Voriconazole as initial therapy for invasive aspergillosis leads to better responses, improved survival, and fewer severe side effects than amphotericin B. "Voriconazole versus Amphotericin B for Primary Therapy of Invasive Aspergillosis" (Herbrecht et al., 2002) reports these outcomes in patients with the infection.
What did the Endophthalmitis Vitrectomy Study find?
The study evaluated vitrectomy and antibiotic management for endophthalmitis following cataract surgery. "Results of the Endophthalmitis Vitrectomy Study" (1995) provides key results on treatment efficacy and visual outcomes.
What is photodynamic therapy's role in ocular infections?
Photodynamic therapy serves as a new antimicrobial approach to infectious diseases, applicable to ocular infections like keratitis. "Photodynamic therapy: a new antimicrobial approach to infectious disease?" (Hamblin and Hasan, 2004) explores its potential.
Which procedures increase risk of endophthalmitis?
Cataract surgery and intravitreal injections elevate the risk of endophthalmitis. The field examines their impact on infection development alongside conjunctival flora composition.
Open Research Questions
- ? What are the long-term antibiotic resistance trends in microbial spectra of post-cataract surgery endophthalmitis?
- ? How does conjunctival flora composition vary across populations and influence keratitis risk?
- ? Which risk factors most strongly predict fungal keratitis progression to corneal blindness?
- ? What optimized management protocols emerge from endophthalmitis vitrectomy study follow-ups?
Recent Trends
The field maintains 38,539 works with five-year growth data unavailable; high-citation papers from 1995-2004, such as "Results of the Endophthalmitis Vitrectomy Study" (1253 citations) and "Voriconazole versus Amphotericin B for Primary Therapy of Invasive Aspergillosis" (Herbrecht et al., 2002, 3263 citations), continue dominating.
No recent preprints or news coverage reported in the last 12 months.
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