The 4th chapter of Uttaratantra of Sushruta Samhita is known as as Suklagata Roga Vijnaniya Adhyaya. This chapter offers with Ailments of the Sclera.

अथातः शुक्लगतरोगविज्ञानीयमध्यायं व्याख्यास्यामः ||१||
यथोवाच भगवान् धन्वन्तरिः ||२||

 We’ll now expound the chapter by title Suklagata Roga Vijnaniya i.e. information of illnesses of the white of the attention (Sclera); as revealed by the venerable Dhanvantari.

Roga Sankhya – variety of illnesses

प्रस्तारिशुक्लक्षतजाधिमांसस्नाय्वर्मसञ्ज्ञाः खलु पञ्च रोगाः |
स्युः शुक्तिका चार्जुनपिष्टकौ च जालं सिराणां पिडकाश्च याः स्युः ||३||
रोगा बलासग्रथितेन सार्धमेकादशाक्ष्णोः खलु शुक्लभागे |

Under talked about are the eleven illnesses of the white portion of the attention (sclera) –

1.   Prastari Arma

प्रस्तारि प्रथितमिहार्म शुक्लभागे विस्तीर्णं तनु रुधिरप्रभं सनीलम् ||४||

Prastari Arma presents with the beneath talked about options –

–        Grathita – It seems like a granthi – small tumour or cyst

–        Vistirna – is vast and spreading in nature

–        Tanu – is skinny

–        Rudhira prabham Sanilam – has crimson color blended with blue color

2.   Sukla Arma

शुक्लाख्यं मृदु कथयन्ति शुक्लभागे सश्वेतं सममिह वर्धते चिरेण |५|

Sukla Arma presents with the beneath talked about options –

–        Mrudu – it’s mushy in consistency

–        Shuklabhage – is current on the white of the attention, sclera

–        Sashvetam – is white in color

–        Samam – is even

–        Chirena vardhate – develops slowly

3.   Rakta Arma

यन्मांसं प्रचयमुपैति शुक्लभागे पद्माभं तदुपदिशन्ति लोहितार्म ||५||

Rakta Arma presents with the beneath talked about options –

–        Mamsam prachayam upaiti – development of muscular mass is seen on the white of the attention (sclera)

–        Padhmabham – resembles color of lotus flower

4.   Adhimamsa Arma

विस्तीर्णं मृदु बहलं यकृत्प्रकाशं श्यावं वा तदधिकमांसजार्म विद्यात् |६|

Adhimamsa Marma presents with the beneath talked about options –

–        Vistirnam – the expansion of muscular mass over the white of the attention is broad,

–        Mrdu – the muscular development is mushy

–        Bahalam – the muscular mass is thick

–        Prakasham Shyavam Va – shining or blue in color

5.   Snayu Arma

शुक्ले यत् पिशितमुपैति वृद्धिमेतत् स्नाय्वर्मेत्यभिपठितं खरं प्रपाण्डु ||६||

Snayu presents with beneath talked about options –

–        Vriddhimetata – the muscle tissue on the white of the attention enhance in thickness

–        Kharam – is tough

–        Prapandu – pale or very white in color

6.   Suktika

श्यावाः स्युः पिशितनिभाश्च बिन्दवो ये शुक्त्याभाः सितनयने स शुक्तिसञ्ज्ञः |७|

Suktika presents with the beneath talked about options –

–        Bindavo – there are a number of dots or spots on the white of the attention

–        Shayavah – the spots seem blackish in color

–        Pishitabha – they seem like muscle tissue

–        Shuktyabha – resemble oyster shell in color and look

7.   Arjuna

एको यः शशरुधिरोपमस्तु बिन्दुः शुक्लस्थो भवति तमर्जुनं वदन्ति ||७||

Arjuna presents with beneath talked about options –

–        Eko yaj – presents with a single dot or spot

–        Shasha rudhiropama – the spot resembles rabbit’s blood in color

–        Shuklastho bhavati – seems on the white of the attention (sclera)

8.   Pistaka

उत्सन्नः सलिलनिभोऽथ पिष्टशुक्लो बिन्दुर्यो भवति स पिष्टकः सुवृत्तः |८|

Pistaka presents with beneath talked about options –

–        Utsanna Bindu – a spot on the white of the attention which is bulged up / raised

–        Salilabha – the dot resembles water or water bubble

–        Pishta Shukla – white in color like rice flour

–        Suvrutah – spherical in form

9.   Sirajala 

जालाभः कठिनसिरो महान् सरक्तः सन्तानः स्मृत इह जालसञ्ज्ञितस्तु ||८||

Sirajala presents with the beneath talked about options –

–        Jalabhah Sira – look of veins on the white of the attention that are internet like

–        Kathina – the veins are laborious in nature

–        Mahan – are massive,

–        Saraktah – barely crimson in color

–        Santanah – the veins are developed in a scattered manner

10.       Siraja Pidaka

शुक्लस्थाः सितपिडकाः सिरावृता यास्ता विद्यादसितसमीपजाः सिराजाः |९|

Siraja Pidaka presents with beneath talked about options –

–        Shuklastha sita pidakah – white colored eruptions seem on sclera

–        Siravruta – eruptions are surrounded by veins that are almost black in color

–        Asita samipajah – positioned on the white of the attention however very nearer to the black of the attention (cornea)

11.Balasa grathita

कांस्याभो भवति सितेऽम्बुबिन्दुतुल्यः स ज्ञेयोऽमृदुररुजो बलासकाख्यः ||९||

Balasa Grathita presents with the beneath talked about options –

–        Kamsyabha Bindu – dots or spots resembling bronze in color seem on the white of the attention

–        Ambu bindu tulyah – the dots appear as if water bubble

–        Amrudu – not mushy i.e. are laborious

–        Aruja – painless

इति सुश्रुतसंहितायामुत्तरतन्त्रे शुक्लगतरोगविज्ञानीयो नाम चतुर्थोऽध्यायः ||४||

 Thus ends the fourth chapter by title Suklagata Roga Vijnaniya in Uttara sthana of Samhita.