Myopia Clinic

Introduction

Myopia is a worldwide public health threat with increasing prevalence in recent decades. Hong Kong is among the top regions in the world with a high incidence of myopia. A CUHK study reveals that this condition has affected more than 50% of school children and a staggering 95% of university students in Hong Kong, which shows that the situation in Hong Kong is alarming enough. More importantly, high myopia is associated with higher risk of sight-threatening complications, including pre-senile cataract, glaucoma, retinal detachment, and macular degeneration.

Both genetic and environmental factors contribute to the development of myopia. CUHK studies have shown that with both parents being myopic, their children will have a 12-fold risk of being myopic.

Myopia, once developed and progressed, is irreversible. Therefore, timely measures to prevent myopia onset and its progression during school age is exceedingly crucial.

CUHK researchers have published multiple world-renowned research on the effective use of low-concentration atropine eye drops for myopia prevention and control. The results of these randomised controlled trials have been published in leading international journals JAMA and Ophthalmology.

Children Eye Care Services

Comprehensive children eye health check-up

Control myopia progression in children with existing myopia

Identify at risk children for the initiation of myopic prevention

3 concentrations of atropine eyedrops are now available at CUHKMC - including 0.05%, 0.025%, and 0.01% atropine. These can help reduce myopia progression at varying degrees, enabling tailor made treatment for individual children, closely monitored by eye specialists.

Adult Eye Care Services

Comprehensive eye health check-up
Screening for myopia complications and provide subsequent treatment and follow up

Research and Education

Continual recruitment of suitable patients who are interested in participating in existing clinical trials or providing data to help further our research into myopia
Regular myopia prevention and control education programmes

Feature Articles

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Interviews

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15 Aug 2023Dr MAK Shiu Ting, Theresa
育兒丨減慢近視加深控制近視方法有妙法 (Only available in Chinese)

Health Knowledge

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Eye HealthEye Health Videos

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Healthy Living10 Tips for Eye Health

10大護眼小貼士 (Only available in Chinese)

10大護眼小貼士： 1. 多看綠色物件綠色光的波長較短，觀看綠色物件時，睫狀肌和水晶體能夠較為放鬆，減輕眼睛疲勞。 2. 適當閱讀與使用電子設備（20-20-20護眼法則）閱讀或使用電子產品20分鐘後，應小休20秒，並望向20呎以外的物件。 3. 保持適當燈光在使用電子設備或閱讀時，光線要充足。並使用均勻的燈光或天然光線。 4. 勿亂用眼藥水眼部不適時，切勿胡亂使用眼藥水。應按照眼科醫生的指示滴用。 5. 不要吸煙吸煙會增加患上黃斑點退化、白內障和青光眼的機會。 6. 定期檢查眼睛三歲開始便應定期驗眼。若果出現視力模糊，便應及早求醫。 7. 選擇合適的眼鏡若果有遠近視、散光或老花等，應選擇和配戴合適的眼鏡。 8. 猛烈太陽下配戴太陽眼鏡太陽眼鏡能過濾有害紫外線，可減少強烈光線進入眼睛。 9. 切勿揉眼揉眼有很大機會令眼睛感染有害物。 10. 注意均衡飲食適量進食含維生素A的食物，如蕃茄和紅蘿蔔等。

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Eye HealthMyopia

關注眼部健康 - 兒童常見眼睛問題：近視 (Only available in Chinese)

近視是最常見的兒童眼部問題，成因是眼球過度拉長，導致不能看清遠距離的物體。根據香港中文大學醫學院眼科團隊「香港中文大學香港兒童眼科計劃」研究指出，升讀小一是幼童成為近視一族的高峰期，而9歲兒童的近視比率相比6歲兒童更高出3倍。兒童近視加深因素遺傳因素若父母患有深近視 (即指超過600度)，其孩子患上近視的機會率比沒有近視父母的子女高出12倍。環境因素 -沒有足夠戶外活動 -長時間近距離閱讀 -長時間使用電子屏幕裝置如手機或電腦深度近視對兒童的長遠健康影響黃斑病變的機會率比一般人高850倍視網膜脫落的機會率比一般人高 12倍誘發青光眼的機會率比一般人高 3倍控制兒童近視方法培養健康的生活習慣每天安排最少2小時戶外時間，每星期14小時養成保護視力的良好閱讀習慣 -「20-20-20閱讀規則」每20分鐘離開閱讀書本，看20英尺或6米遠的物件，維持最少20秒 -保持至少1英尺閱讀距離 -閱讀環境要光線充足若能培養良好健康的生活習慣和養成良好閱讀習慣，平均可以減慢近視加深約30%！使用減慢近視加深方法 - 由醫生處方使用低濃度亞托品眼藥水，可以減慢近視加深67% - 可以為兒童選擇配戴離焦鏡片眼鏡，減慢近視加深40%至50% 兒童的視力發育自出生後不斷發展，到8歲才成熟。在3至4歲時，是檢驗兒童視力的黃金時機，建議家長可為子女定期安排眼科檢查，一來因為兒童在此階段開始懂得表達，二來若能及早發現兒童患有遺傳性眼疾，或斜視、弱視、屈光不正 (近視、遠視、散光) 等視力問題，可趁視力仍在發展時及早治療與控制。

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