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| Wiley X AirRage ($90 to $144) |
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| 7Eye AirDam low-profile eyecup |
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| North edge of our property last fall. The sheep have done a great job clearing land for us since then, but we have to keep them away from the alders because they strip the bark in no time flat. |
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| Noah and her lambs, Tiger and Sugarlips. They were both born black but Sugarlips had the telltale white wool around his lips that showed he had a white undercoat and at 2.5 mths old he now looks like his mom. |
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| "Spot the cow", with his mom, Mahlah. Spot was born looking like a miniature holstein. His spots have faded now. |
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| Lion, our bottle-fed lamb (we kept him in diapers at the office at first). |
RECOMMENDATIONS FOR THE EMPLOYER
The following are general recommendations which, where relevant, should be standard procedure. If followed, they will help prevent or alleviate many indoor air-quality problems...
3. Air Treatment. Air treatment is the removal of air contaminants and/or the control of room temperature and humidity. Recommendations for air treatment include:
Frankly, you can be pretty miserable at 20% and would be justified in pushing for an improvement on this.
- The use of filtration, electronic cleaners, chemical treatment with activated charcoal or other sorbents;
- Humidity control in the range of 20%-60%; and
- Temperature control in the range of 68-76 F.
Are there any standards on office temperatures?
The CSA Standard CAN/CSA Z412-00 (R2011) - "Office Ergonomics" gives acceptable ranges of temperature and relative humidity for offices in Canada. These values are the same as recommended by the American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE) Standard 55 - 2010 "Thermal Environmental Conditions for Human Occupancy". The recommended temperature ranges have been found to meet the needs of at least 80% of individuals. Some people may feel uncomfortable even if these values are met. Additional measures may be required.
Temperature / Humidity Ranges for Comfort Conditions Relative Humidity Acceptable Operating Temperatures °C °F Summer (light clothing) If 30%, then
If 60%, then24.5 - 28
23 - 25.576 - 82
74 - 78Winter (warm clothing) If 30%, then
If 60%, then20.5 - 25.5
20 - 2469 - 78
68 - 75
BACKGROUND:
We report necrotizing scleritis as a serious complication of a cosmetic eye whitening procedure that involves the use of intraoperative and postoperative topical mitomycin C.
FINDINGS:
This is a single case report. A 59-year-old Caucasian male with a history of blepharitis status post uncomplicated LASIK refractive surgery reported chronic conjunctival hyperemia for 15 years prior to undergoing a cosmetic eye whitening procedure. He presented to our clinic 12 months after the cosmetic eye whitening procedure with progressive bilateral necrotizing scleritis and scleral calcification.
CONCLUSIONS:
Chronic conjunctival hyperemia may prompt patients to seek surgical correction with cosmetic eye whitening procedures. However, conjunctival hyperemia secondary to tear deficiency and evaporative dry eye may predispose to poor wound healing. Serious complications including necrotizing scleritis may result from cosmetic eye whitening procedures and the use of topical mitomycin C.
PURPOSE:
To determine the type and distribution of ocular conditions cared for in a clinic dedicated to scleral devices and to report the clinical outcomes afforded by this approach.
METHODS:
Fifty-one charts of patients fitted unilaterally or bilaterally with a scleral device (Prosthetic Replacement of the Ocular Surface Ecosystem - PROSE) in a two year period were retrospectively reviewed. Patient demographics, ocular diagnoses, associated systemic conditions, best corrected visual acuity (BCVA) before and after fitting, Visual Function Questionnaire score (VFQ-25), and ocular surface disease index (OSDI) score were collected.
RESULTS:
All 51 patients were successfully wearing the PROSE device for a period of anywhere from weeks to years. The most common reasons for fitting were to relieve symptoms of moderate to severe dry eye syndrome ("DES", n = 25), management of refractive problems ("refractive", n = 23) with keratoconus being the most common (n = 14), and to manage other anomalies ("other", n = 3). Best corrected visual acuity (logMAR) improved with the wearing of the PROSE device for both the DES (17 letters) and the refractive group (10 letters), but not the "other" group. No serious complications were recorded for any of the patients.
CONCLUSIONS:
The PROSE device is a useful option not only for the management of ocular surface disease and optical imperfections, but also for other ophthalmic conditions. Moderate to severe dry eye was the most common anomaly managed, followed by eyes with irregular corneal astigmatism. DES and refractive patients experienced improvement in visual acuity with wearing of the PROSE device.
Graft versus H\host disease (GVHD) can be a devastating complication following bone marrow transplantation. Acute or chronic systemic GVHD can be lethal, and severe damage of different organs and tissues can occur with both types of GVHD. Ocular involvement, either in an acute or chronic presentation, may range from mild to severe with accompanying vision loss present in 60-90 % of patients. Chronic ocular GVHD, the most common form of GVHD, affects mainly the lacrimal gland, meibomian glands, cornea and conjunctiva, mimicking other immunologically mediated inflammatory diseases of the ocular surface without specific symptoms or signs. However, dry eye disease is the main manifestation of GVHD. The long-term treatment of ocular GVHD continues to be challenging and involves a multidisciplinary approach wherein the ophthalmologist plays a major role. Besides systemic immunosuppression and ocular lubricants, topical steroids and topical cyclosporine are commonly prescribed. Newer therapeutic interventions for moderate and severe ocular GVHD include the use of serum eye drops and scleral contact lenses. In this manuscript, we review the mechanisms, clinical findings, and treatment of ocular GVHD.
PURPOSE:
To evaluate blink rate effects by a novel light-emitting diode (LED) timer device (PISC) on non-dry eye (DE) subjects and DE patients during a reading task on liquid crystal display (LCD) screens, in different environmental conditions.
METHODS:
This was a case-control study that included 15 DE patients and 15 non-DE subjects as controls. Participants had their blink rates measured while they read an electronic format text. These tasks were performed in four different conditions: with and without a LED timer device in two visits, and with and without air conditioning. All participants completed the Ocular Surface Disease Index and were examined by best spectacle-corrected visual acuity exam, biomicroscopy, Schirmer test 1, fluorescein staining and break-up time and lissamine green staining (Oxford scale grading).
RESULTS:
Outcomes between reading tasks conditions were compared independently for each group and blink rate frequency was higher in tasks with LED timer device, with and without air conditioning, for the DE group (p < 0.0001), and with air conditioning for the control group (p < 0.05).
CONCLUSIONS:
An LED timer device increased blink frequency for DE and control groups. Further studies need to be carried out in order to evaluate long-term effects of this new device, as well as its assessment with different reading scenarios.
Abstract Purpose: To compare tear meniscus height (TMH) and area (TMA) values obtained by optical coherence tomography (OCT) with the Schirmer test and tear-film break-up time (TBUT) values. Materials and methods: In this prospective cross-sectional study, the right eyes of 300 consecutive patients were studied. All patients underwent routine ophthalmologic examination. Schirmer and TBUT measurements were taken, and tear-film OCT images were obtained. Using OCT, the TMH (i.e. the line connecting the intersection of the meniscus with the cornea and eyelid) and cross-sectional TMA were calculated. Patients were divided into Groups 1 (Schirmer values ≤ 5 mm) and 2 (Schirmer values > 5 mm). Data were analyzed using SPSS 13.0 software. The Mann-Whitney U-test was used for the comparison of groups. Correlations between tear parameters were analyzed. Results: There were no significant differences in age, logMAR, or IOP values (p = 0.480, 0.077 and 0.146, respectively) between the two groups. Mean TBUTs were 5.1 ± 2.9 and 9.5 ± 4.2 s for Groups 1 and 2, respectively (p < 0.001). Mean TMHs were 237.9 ± 108.9 and 324.3 ± 158.9 μm for Groups 1 and 2, respectively (p < 0.001). Mean TMAs were significantly lower in Group 1 compared to Group 2 (p < 0.001; 0.027 ± 0.028 versus 0.055 ± 0.059 mm2, respectively). Correlations between Schirmer values and TMH, and between Schirmer values and TMA, were significant (p = 0.001 and < 0.001, respectively). Conclusions: OCT values were significantly lower in patients with Schirmer values of < 5 mm. Tear meniscus measurements obtained by OCT are reliable for establishing a diagnosis of dry eye.
OBJECTIVE:
To investigate the efficacy of 2% rebamipide ophthalmic suspension compared with 0.1% sodium hyaluronate ophthalmic solution for the treatment of patients with dry eye.
DESIGN:
Randomized, multicenter, active-controlled parallel-group study.
PARTICIPANTS:
One hundred eighty-eight patients with dry eye.
METHODS:
Following a 2-week screening period, patients were allocated randomly to receive 2% rebamipide or 0.1% sodium hyaluronate, administered as 1 drop in each eye 4 or 6 times daily, respectively, for 4 weeks.
MAIN OUTCOME MEASURES:
There were 2 primary end points: changes in the fluorescein corneal staining (FCS) score to determine noninferiority of 2% rebamipide and changes in the lissamine green conjunctival staining (LGCS) score to determine superiority. Secondary objective end points were Schirmer's test results and tear film breakup time (TBUT). Secondary subjective end points were dry eye-related ocular symptoms (foreign body sensation, dryness, photophobia, eye pain, and blurred vision) score and the patients' overall treatment impression score.
RESULTS:
In the primary analysis, the mean change from baseline in FCS scores verified noninferiority, indicated significant improvement, and, in LGCS scores, verified the superiority of 2% rebamipide to 0.1% sodium hyaluronate. Values for the Schirmer's test and TBUT were comparable between the 2 groups. For 2 dry eye-related ocular symptoms-foreign body sensation and eye pain-2% rebamipide showed significant improvements over 0.1% sodium hyaluronate. Patients had a significantly more favorable impression of 2% rebamipide than of 0.1% sodium hyaluronate; 64.5% rated treatment as improved or markedly improved versus 34.7%, respectively. No serious adverse events were observed.
CONCLUSIONS:
Administration of 2% rebamipide was effective in improving both the objective signs and subjective symptoms of dry eye. Those findings, in addition to the well-tolerated profile of 2% rebamipide, clearly show that it is an effective therapeutic method for dry eye.
Computational methods are presented that can automatically detect the length and width of meibomian glands imaged by infrared meibography without requiring any input from the user. The images are then automatically classified. The length of the glands are detected by first normalizing the pixel intensity, extracting stationary points, and then applying morphological operations. Gland widths are detected using scale invariant feature transform and analyzed using Shannon entropy. Features based on the gland lengths and widths are then used to train a linear classifier to accurately differentiate between healthy (specificity 96.1%) and unhealthy (sensitivity 97.9%) meibography images. The user-free computational method is fast, does not suffer from inter-observer variability, and can be useful in clinical studies where large number of images needs to be analyzed efficiently.
15% off anything in the Eyewear category, for one week (April 5 to 11).
At long last I've got a hydrogen peroxide system available in the shop. It's not Clear Care but it's similar.
