Notes

Angiogenic Components involving NK Tissues within Cancers along with other Angiogenesis-Dependent Ailments.
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The aim of this study was to compare the 4-year clinical outcomes of transepithelial diluted alcohol and iontophoresis-assisted corneal crosslinking (DAI-CXL) and standard corneal crosslinking (S-CXL) in adults with progressive keratoconus.

This retrospective study included 36 eyes of 36 keratoconic patients who underwent DAI-CXL (n = 18) or S-CXL (n = 18). Best spectacle-corrected visual acuity (BSCVA) and corneal topography parameters were analyzed at baseline and at 1, 2, 3, and 4 years of follow-up. Corneal demarcation line depth (DLD) at 1 month was measured, and the relation of DLD with corneal thickness (DL%) was assessed.

BSCVA improved significantly only in S-CXL (P = 0.01). A significant decrease in maximum keratometry and mean keratometry occurred at 4 years in both groups (all P < 0.05), and these changes were similar in both groups (all P > 0.05). There was a significant reduction in the thinnest corneal thickness in S-CXL (P = 0.01); however, the mean thinnest corneal thickness in DAI-CXL remained stable (P = 0.094). Higher-order aberrations and coma aberration decreased significantly in both groups at 4 years (all P < 0.05), with a higher decrease in S-CXL (all P < 0.05). Spherical aberration showed a significant reduction only in S-CXL (P = 0.005). In contrast to the similar mean DLD in both groups, DL% in DAI-CXL was significantly greater than that in S-CXL (P = 0.032). There were no correlations between the improvement in BSCVA, maximum keratometry, mean keratometry, higher-order aberrations, and the mean DLD and DL% (all P > 0.05).

DAI-CXL was as effective as S-CXL in arresting the progression of keratoconus and showed similar clinical results to S-CXL at the 4-year follow-up.
DAI-CXL was as effective as S-CXL in arresting the progression of keratoconus and showed similar clinical results to S-CXL at the 4-year follow-up.
The incidence of fungal keratitis demonstrates significant geographic and climatic variation. We report on the characteristics of the potassium hydroxide/calcofluor white (KOH-CFW) preparation observed at a tertiary center in Northern California, a region with a low incidence of fungal keratitis.

Culture-proven cases of microbial keratitis during a 5-year period were retrospectively reviewed. The sensitivity, specificity, and posttest probabilities were determined for the KOH-CFW assay. These results were compared with documented clinical impression and values reported in the literature.

Three hundred three of 368 episodes of microbial keratitis during the study period documented the results of a fungal culture, KOH-CFW assay, and a clinical impression. Twenty-one (6.9%) of these cultures were positive for fungal organisms. read more The sensitivity and specificity of the KOH-CFW test were 29% and 93%, respectively. Clinicians' initial clinical impression based solely on patients' history and examination, without the aid of any histopathologic or biochemical test results, demonstrated a sensitivity and specificity of 33% and 89%, respectively.

The observed sensitivity and specificity of the KOH-CFW preparation are significantly lower than many previously reported values. In regions with low incidence of fungal keratitis, the KOH-CFW preparation may have diagnostic performance similar to that of the clinical impression formed only on the basis of history and physical examination.
The observed sensitivity and specificity of the KOH-CFW preparation are significantly lower than many previously reported values. In regions with low incidence of fungal keratitis, the KOH-CFW preparation may have diagnostic performance similar to that of the clinical impression formed only on the basis of history and physical examination.
The objective of this study was to compare the clinical and microbiological profiles of culture-proven pure Corynebacterium keratitis with mixed infection and their antibiotic susceptibility patterns over a 2-year period.

A retrospective analysis of culture-proven cases of Corynebacterium keratitis over a 2-year period was performed in 3 different tertiary eye care centers. All isolates were tested for antibiotic susceptibility in vitro using the disc-diffusion method for 7 antibiotics.

Altogether 108 cases were identified as culture-positive Corynebacterium keratitis in 3 tertiary eye care centers. Of these, 60.2% (n = 65) and 39.8% (n = 43) of cases were due to pure Corynebacterium and mixed infection, respectively. The mean duration of symptoms was 23.2 ± 29.6 days. In the mixed-infection group, fungus was identified as the coexistent pathogen in 22 cases (51.1%). Ocular surface disorder was the most common risk factor (33.9%) in Corynebacterium keratitis. The most frequently isolated species was Corikely to be effective in infection with Corynebacterium species.
The unifying characteristic of dry eye is the loss of tear film homeostasis, and the tear lipid layer is a key component for maintaining film stability. The detection of tear lipid is of great significance for the diagnosis of dry eye. In this study, we explored a new test strip for the detection of tear lipid.

The tear lipid test strip was prepared by coating the strip material with hydrophobic nano-silica. We tested its physical properties with iodine vapor chromogenic and cobalt chloride test methods. Its biosafety was evaluated by an ocular irritation test in rabbits. Finally, we established a rabbit meibomian gland dysfunction model and measured both eyes with the tear lipid test strip at the first, third, seventh, 14th, 16th, and 21st day after surgery.

The tear lipid test strip had fine lipophilicity and hydrophobicity. It can extract lipid from tear, and the tear lipid can be quantified by measuring the length of lipid infiltration. In the ocular irritation test, the test strip had no obvious eye irritation. The length of lipid infiltration between experimental and control rabbit eyes began to show statistical difference since the third day after surgery.

The novel tear lipid test strip has great lipophilicity, hydrophobicity, and biological safety. It might be effectively applied in diagnosis of dry eye.
The novel tear lipid test strip has great lipophilicity, hydrophobicity, and biological safety. It might be effectively applied in diagnosis of dry eye.
The purpose of this study was to assess the medical history of adenoviral keratoconjunctivitis (AK) and subepithelial infiltrates (SEIs) among French ophthalmologists and orthoptists and the frequency of unreported occupational diseases. We also described short-term and long-term consequences of AK and evaluated associated factors.

The REDCap questionnaire was diffused online several times over 7 consecutive months, from October 2019 to May 2020, through mailing lists (French Society of Ophthalmology, residents, and hospital departments), social networks, and by word of mouth.

Seven hundred ten participants were included with a response rate of 6.2% for ophthalmologists, 3.8% for orthoptists, and 28.3% for ophthalmology residents. The medical history of AK was found in 24.1% (95% confidence interval 21%-27.2%) of respondents and SEI in 43.9% (36.5%-51.3%) of the AK population. In total, 87.1% (82.1%-92.1%) of AK occupational diseases were not declared. In total, 57.7% of respondents took 9.4 ± 6.2 days ated study.
The purpose of this study was to assess whether migraine might be associated with the increased risk of dry eye disease and to determine the strength of the association between migraine and dry eye disease.

We searched EMBASE, PubMed, Web of Science databases and China National Knowledge Infrastructure, WanFang, and VIP databases for studies that investigated the association between dry eye and migraine from inception to September 8, 2020. Relevant data were extracted by 2 investigators independently. Publication bias and heterogeneity were evaluated. Odds ratio (OR) and 95% confidence interval (CI) were computed by metaanalysis using random-effects models.

Of the 565 studies identified, 7 studies met the inclusion criteria and were included in this metaanalysis. Patients with migraine had significantly higher morbidity of dry eye compared with the control group (OR = 1.55; 95% CI = 1.32-1.82; P < 0.001). Subgroup analysis showed that the association between dry eye and migraine was stronger in hospital-based studies (OR = 1.97, P = 0.036) than population-based studies (OR = 1.42, P < 0.001). In addition, differences in geographic location and diagnostic criteria have no effect on the results.

There was a significant association between dry eye and migraine. Patients with migraine are more prone to suffer from dry eye than subjects without migraine, and the association strength varies among populations studied.
There was a significant association between dry eye and migraine. Patients with migraine are more prone to suffer from dry eye than subjects without migraine, and the association strength varies among populations studied.
Retained lens fragments are a relatively rare occurrence after cataract surgery. While no definite guidelines for the surgical management or timing of surgery of this complication exist, surgery is indicated for patients with large lens fragments, persistent inflammation, secondary glaucoma, corneal edema, retinal tears or detachments, and associated endophthalmitis. The aim of this review is to summarize the current surgical management of retained lens material.

The Intelligent Research in Sight registry database of 2.26 million patients who underwent cataract surgery in the US indicated that 0.18% (1 in 563) had secondary removal of retained lens fragments in the anterior chamber in the operating room within 1 year of the original cataract surgery. The risk of returning to the operating room for retained lens material removal was greater among men, smokers, patients with Medicaid or military insurance, and those who had complex cataract surgery. Medical management with topical corticosteroids or observaor uncontrolled glaucoma not responding to medical management. The best timing for surgery for retained lens fragments should be further investigated in a prospective study.
Late-onset Fuchs endothelial corneal dystrophy (FECD) is seen in approximately 4% of individuals over the age of 40. With the growing population of adults over the age of 65, ophthalmologists need to be aware of the preoperative, perioperative, and postoperative considerations involved in cataract surgery in Fuchs patients.

Management of cataract patients with FECD requires preoperative assessment of endothelial cell size, density, and morphology. Considerations for perioperative endothelial cell loss include patients with hyperopia and shallow anterior chambers, phacoemulsification technique, transfer of ultrasonic energy to the cornea, corneal-protective perioperative agents, as well as thermal and mechanical damage.

Ophthalmologists performing cataract surgery on patients with FECD must carefully consider the risks of endothelial cell loss during surgery and minimize the risk of corneal decompensation after surgery. Preoperative management should evaluate the severity of the FECD as well as individual factors such as cataract density, the health and thickness of the cornea, and the anterior chamber depth. Perioperative techniques, adjustments to biometry calculations, and intraocular lens (IOL) selection may help optimize visual outcomes and recovery time.
Ophthalmologists performing cataract surgery on patients with FECD must carefully consider the risks of endothelial cell loss during surgery and minimize the risk of corneal decompensation after surgery. Preoperative management should evaluate the severity of the FECD as well as individual factors such as cataract density, the health and thickness of the cornea, and the anterior chamber depth. Perioperative techniques, adjustments to biometry calculations, and intraocular lens (IOL) selection may help optimize visual outcomes and recovery time.
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