For those of us who run Linux or Mac OS X as our only operating system, finding functional alternatives to Windows programs can be an issue. When we need to run Windows programs, the Wine project has long been a great compatibility layer that lets us do just that. Basically, it translates Windows system calls into their Unix equivalents and runs programs in a Windows directory structure, so. In iPhone OS 1 to 3, the dock used a metal look which looks similar to the front of the Power Mac G5 (2003-2005) and Mac Pro(2006-2012 or 2019-). IPhone OS 3.2 for iPad and iOS 4 to 6 adopted the dock design from Mac OS X 10.5 to 10.7 which was used until iOS 7, which uses a similar dock from Mac OS X Tiger but with iOS 7 styled blur effects.
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A document that describes the content of Security Update 2010-004 and the security content of Mac OS X v10.6.4 has been posted online by Apple. The update(s) in question can be downloaded and installed via the Mac OS X Software Update mechanism, from Apple Downloads, as well as from Softpedia.
As it is the case with most major system updates released by Apple for users of its Macintosh computers, a separate download dubbed 'security update' is posted to the company's Support area. This time, it marks the release of Security Update 2010-004, which delivers fixes for all the recently discovered vulnerabilities in Apple's Leopard and Snow Leopard operating systems.
According to knowledge base article HT4188 over at Apple's Support area, most of the fixes included in this update apply to Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6 through v10.6.3, and Mac OS X Server v10.6 through v10.6.3. Since Safari 5 is included with Mac OS X 10.6.4, Apple's latest maintenance release for Snow Leopard, the security holes Apple fixed with the browser are mentioned in a separate support document.
For Mac OS X Snow Leopard, Apple has fixed a total of 23 security issues. For example, the Mac maker reveals that, 'When ‘Apply to enclosed items…' is selected in the ‘Get Info' window in the Finder, the ownership of the enclosed items is not changed. This may cause the enclosed files and folders to have unexpected permissions.' Apple has addressed the problem by applying the correct ownership, and credits Michi Ruepp of pianobakery.com for finding and reporting the bug.
Issues with the Flash Player plug-in are also addressed in the latest Mac security update. Apple claims that, 'Multiple issues exist in the Adobe Flash Player plug-in, the most serious of which may lead to unauthorized cross-domain requests. The issues are addressed by updating the Flash Player plug-in to version 10.0.45.2,' and directs customers to Adobe's Support / Security site for more information.
'A directory traversal issue exists in iChat's handling of inline image transfers,' another security hole is described over at Apple's Support area. 'A remote user may upload files to arbitrary locations on the filesystem of a user currently using AIM in iChat. This issue is addressed through improved handling of file paths.' The Mac maker credits none other than itself for patching this hole.
Affecting only users of Mac OS X Leopard, an issue allowing a local user to obtain system privileges is also detailed by Apple. According to the Mac maker, 'NetAuthSysAgent does not require authorization for certain operations,' which may lead to the aforementioned system breach by any local user. 'This issue is addressed by requiring authorization for additional operations,' Apple reveals, adding that Snow Leopard users remain unaffected by this vulnerability.
See Apple's Support section here to get the full scoop on the content of Security Update 2010-004 / Mac OS X v10.6.4.
What is a macular hole?
Red desert render mac os. A macular hole is a small break in the macula, located in the center of the eye's light-sensitive tissue called the retina. The macula provides the sharp, central vision we need for reading, driving, and seeing fine detail.
A macular hole can cause blurred and distorted central vision. Macular holes are related to aging and usually occur in people over age 60.
Is a macular hole the same as age-related macular degeneration?
No. Night charger mac os. Swim for gold mac os. Macular holes and age-related macular degeneration are two separate and distinct conditions, although the symptoms for each are similar. Both conditions are common in people 60 and over. An eye care professional will know the difference.
Are there different types of a macular hole?
Yes. There are three stages to a macular hole:
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- Foveal detachments (Stage I). Without treatment, about half of Stage I macular holes will progress.
- Partial-thickness holes (Stage II). Without treatment, about 70 percent of Stage II macular holes will progress.
- Full-thickness holes (Stage III).
The size of the hole and its location on the retina determine how much it will affect a person's vision. When a Stage III macular hole develops, most central and detailed vision can be lost. If left untreated, a macular hole can lead to a detached retina, a sight-threatening condition that should receive immediate medical attention.
What are the symptoms of a macular hole?
Macular holes often begin gradually. In the early stage of a macular hole, people may notice a slight distortion or blurriness in their straight-ahead vision. Straight lines or objects can begin to look bent or wavy. Reading and performing other routine tasks with the affected eye become difficult.
What causes a macular hole?
Most of the eye's interior is filled with vitreous, a gel-like substance that fills about 80 percent of the eye and helps it maintain a round shape. The vitreous contains millions of fine fibers that are attached to the surface of the retina. As we age, the vitreous slowly shrinks and pulls away from the retinal surface. Natural fluids fill the area where the vitreous has contracted. This is normal. In most cases, there are no adverse effects. Some patients may experience a small increase in floaters, which are little 'cobwebs' or specks that seem to float about in your field of vision.
However, if the vitreous is firmly attached to the retina when it pulls away, it can tear the retina and create a macular hole. Also, once the vitreous has pulled away from the surface of the retina, some of the fibers can remain on the retinal surface and can contract. This increases tension on the retina and can lead to a macular hole. In either case, the fluid that has replaced the shrunken vitreous can then seep through the hole onto the macula, blurring and distorting central vision.
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Macular holes can also occur in other eye disorders, such as high myopia (nearsightedness), injury to the eye, retinal detachment, and, rarely, macular pucker.
Is my other eye at risk?
If a macular hole exists in one eye, there is a 10-15 percent chance that a macular hole will develop in your other eye over your lifetime. Your doctor can discuss this with you.
What's the treatment for a macular hole?
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Although some macular holes can seal themselves and require no treatment, surgery is necessary in many cases to help improve vision. In this surgical procedure – called a vitrectomy – the vitreous gel is removed to prevent it from pulling on the retina and replaced with a bubble containing a mixture of air and gas. The bubble acts as an internal, temporary bandage that holds the edge of the macular hole in place as it heals. Surgery is performed under local anesthesia and often on an out-patient basis.
Following surgery, patients must remain in a face-down position, normally for a day or two but sometimes for as long as two-to-three weeks. This position allows the bubble to press against the macula and be gradually reabsorbed by the eye, sealing the hole. As the bubble is reabsorbed, the vitreous cavity refills with natural eye fluids.
Maintaining a face-down position is crucial to the success of the surgery. Because this position can be difficult for many people, it is important to discuss this with your doctor before surgery.
What are the risks of surgery?
The most common risk following macular hole surgery is an increase in the rate of cataract development. In most patients, a cataract can progress rapidly, and often becomes severe enough to require removal. Other less common complications include infection and retinal detachment either during surgery or afterward, both of which can be immediately treated.
For a few months after surgery, patients are not permitted to travel by air. Changes in air pressure may cause the bubble in the eye to expand, increasing pressure inside the eye.
How successful is this surgery?
Vision improvement varies from patient to patient. People that have had a macular hole for less than six months have a better chance of recovering vision than those who have had one for a longer period. Discuss vision recovery with your doctor before your surgery. Vision recovery can continue for as long as three months after surgery.
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What if I cannot remain in a face-down position after the surgery?
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If you cannot remain in a face-down position for the required period after surgery, vision recovery may not be successful. People who are unable to remain in a face-down position for this length of time may not be good candidates for a vitrectomy. However, there are a number of devices that can make the 'face-down' recovery period easier on you. There are also some approaches that can decrease the amount of 'face-down' time. Discuss these with your doctor.
