UArcus Senilis

Umxholo

• Oonobangela
• Iimpawu
• Izinketho zonyango
• I-Arcus senilis kunye ne-cholesterol ephezulu
• Iingxaki kunye nobungozi
• Imbonakalo

Ushwankathelo

I-Arcus senilis sisiqingatha sesangqa segrey, esimhlophe, okanye esimthubi esidipozini kumda ongaphandle wekoralea yakho, umaleko ongaphandle ocacileyo ophambi kweliso lakho. Yenziwe ngamanqatha kunye ne-cholesterol.

Kubantu abadala, i-arcus senilis ixhaphakile kwaye ihlala ibangelwa kukuguga. Kubantu abancinci, inokuthi idibane namanqanaba aphezulu e-cholesterol.

UArcus senilis ngamanye amaxesha ubizwa ngokuba yi-corneal arcus.

Oonobangela

I-Arcus senilis ibangelwa ziidiphozithi zamafutha (lipids) kwinxalenye engaphandle ye-cornea yakho. I-cholesterol kunye ne-triglycerides ziindidi ezimbini zamafutha egazini lakho. Ezinye zeepids egazini lakho zivela kukutya okutyayo, njengenyama kunye neemveliso zobisi. Isibindi sakho sivelisa okuseleyo.

Kungenxa yokuba unayo iringi ejikeleze i-cornea yakho, oko akuthethi ukuba une-cholesterol ephezulu. UArcus senilis uqheleke kakhulu njengoko abantu bekhula. Oku kunokwenzeka ngenxa yokuba imithambo yegazi emehlweni akho iya ivuleka ngakumbi ngobudala kwaye ivumela i-cholesterol engaphezulu kunye namanye amafutha ukuba avuze kwi-cornea.

Phantse iipesenti ezingama-60 zabantu abaneminyaka engama-50 ukuya kuma-60 banayo le meko. Emva kweminyaka engama-80, phantse iipesenti ezili-100 zabantu baya kuphuhlisa le arc ejikeleze i-cornea yabo.

UArcus senilis uxhaphake kakhulu emadodeni kunabafazi. Abantu base-Afrika baseMelika banamathuba okufumana le meko kunabantu bezinye izizwe.

Kubantu abangaphantsi kweminyaka engama-40, i-arcus senilis ihlala ibangelwa yimeko yelifa ephakamisa amanqanaba e-cholesterol kunye ne-triglyceride.

Kwiimeko ezinqabileyo, abantwana bazalwa benearcus senilis. Kubantu abancinci, le meko ngamanye amaxesha ibizwa ngokuba yi-arcus juvenilis.

UArcus senilis unokuvela nakubantu abaneSchnyder central crystalline dystrophy. Le meko inqabileyo, njengelifa ibangela ukuba iikristale ze-cholesterol zibeke kwi-cornea.

Iimpawu

Ukuba une-arcus senilis, uyakuqaphela isangqa esimhlophe okanye esimhlophe esingwevu zombini kwiindawo eziphezulu nezisezantsi zekorale yakho. Isiqingatha sesangqa siya kuba nomda ongaphandle obukhali kunye nomda wangaphakathi ongacacanga. Imigca inokugcwalisa ekugqibeleni ukwenza isangqa esipheleleyo kwiiris yakho, eyinxalenye yombala wamehlo akho.

Ngokuqinisekileyo ngekhe ubenazo naziphi na ezinye iimpawu. Isangqa akufuneki sichaphazele umbono wakho.

Izinketho zonyango

Awudingi ukunyanga le meko. Nangona kunjalo, ugqirha wakho unokucebisa ukuba uhlolisise amanqanaba akho.

Ukuba ungaphantsi kweminyaka engama-40 kwaye une-arcus senilis, kuya kufuneka ufumane uvavanyo lwegazi ukujonga amanqanaba akho e-cholesterol kunye neepidid. Unokuba semngciphekweni omkhulu we-cholesterol ephezulu kunye nesifo semithambo yegazi.

Ugqirha wakho anganyanga i-cholesterol ephezulu ngeendlela ezimbalwa. Ungaqala ngokuzama utshintsho kwindlela yokuphila, njengokuzilolonga ngakumbi kunye nokutya ukutya okunamafutha amaninzi, amafutha, kunye necholesterol.

Ukuba ukutya kunye nokuzilolonga akwanele, amayeza aliqela anokunceda ukunciphisa amanqanaba eepidid:

• Iziyobisi zestatin zivimba into esetyenziswa sisibindi sakho ukwenza icholesterol. La machiza abandakanya i-atorvastatin (Lipitor), fluvastatin (Lescol), lovastatin (Altoprev), pravastatin (Pravachol), kunye ne-rosuvastatin (Crestor).
• I-asidi ye-Bile ebopha ii-resins inyanzela isibindi sakho ukuba sisebenzise i-cholesterol engaphezulu ukuvelisa izinto zokwetyisa ezibizwa ngokuba yi-bile acid. Oku kushiya i-cholesterol encinci egazini lakho. La machiza abandakanya icholestyramine (Prevalite), colesevelam (Welchol), kunye necolestipol (Colestid).
• Cholesterol inhibitors inhibitors ezinje nge-ezetimibe (Zetia) inciphisa ukufunxeka komzimba wecholesterol.

Iziyobisi zinokusetyenziselwa ukuthoba amanqanaba e-triglyceride:

• Iifibrate zinciphisa ukuveliswa kweepids kwisibindi sakho kwaye yonyusa ukususwa kwe-triglycerides egazini lakho. Babandakanya i-fenofibrate (Fenoglide, TriCor) kunye ne-gemfibrozil (Lopid).
• I-Niacin inciphisa ukuveliswa kweepids ngesibindi sakho.

I-Arcus senilis kunye ne-cholesterol ephezulu

Ubudlelwane phakathi kwe-arcus senilis kunye namanqanaba angaqhelekanga e-cholesterol kubantu abadala sele bephikisana. bathi le meko idibene neengxaki ze-cholesterol kunye nesifo senhliziyo kubantu abadala. I-arcus senilis luphawu oluqhelekileyo lokuguga, kwaye ayilophawu lomngcipheko wentliziyo.

Xa i-arcus senilis iqala ngaphambi kweminyaka engama-45, ihlala ibangelwa yimeko ebizwa ngokuba yi-hyperlipidemia yosapho. Le fomu yemfuza idluliselwa kwiintsapho. Abantu abanale meko banamanqanaba aphezulu ngokungaqhelekanga e-cholesterol okanye i-triglycerides egazini labo. Basemngciphekweni omkhulu wesifo sentliziyo.

Iingxaki kunye nobungozi

I-Arcus senilis ngokwayo ayibangeli ngxaki, kodwa eyona cholesterol iphezulu kakhulu ebangela oko kwabanye abantu inokunyusa umngcipheko wentliziyo.Ukuba uhlakulela le meko ngaphambi kweminyaka engama-40, unokuba semngciphekweni omkhulu wesifo se-coronary disease okanye isifo senhliziyo.

Imbonakalo

IArcus senilis akufuneki ichaphazele umbono wakho. Nangona kunjalo, ukuba unayo - ngakumbi ukuba ufumanekile ngaphambi kweminyaka yobudala engama-40 - unokuba semngciphekweni omkhulu wesifo se-coronary disease. Ukunciphisa izinga lakho le-cholesterol ngokutya, ukuzivocavoca, kunye neyeza kunokunciphisa ingozi yesifo senhliziyo.